\documentclass[10pt,a4paper]{article} % Packages \usepackage{fancyhdr} % For header and footer \usepackage{multicol} % Allows multicols in tables \usepackage{tabularx} % Intelligent column widths \usepackage{tabulary} % Used in header and footer \usepackage{hhline} % Border under tables \usepackage{graphicx} % For images \usepackage{xcolor} % For hex colours %\usepackage[utf8x]{inputenc} % For unicode character support \usepackage[T1]{fontenc} % Without this we get weird character replacements \usepackage{colortbl} % For coloured tables \usepackage{setspace} % For line height \usepackage{lastpage} % Needed for total page number \usepackage{seqsplit} % Splits long words. %\usepackage{opensans} % Can't make this work so far. Shame. Would be lovely. \usepackage[normalem]{ulem} % For underlining links % Most of the following are not required for the majority % of cheat sheets but are needed for some symbol support. \usepackage{amsmath} % Symbols \usepackage{MnSymbol} % Symbols \usepackage{wasysym} % Symbols %\usepackage[english,german,french,spanish,italian]{babel} % Languages % Document Info \author{frog.lover28} \pdfinfo{ /Title (geometry-finals-semester-2.pdf) /Creator (Cheatography) /Author (frog.lover28) /Subject (Geometry Finals (Semester 2) Cheat Sheet) } % Lengths and widths \addtolength{\textwidth}{6cm} \addtolength{\textheight}{-1cm} \addtolength{\hoffset}{-3cm} \addtolength{\voffset}{-2cm} \setlength{\tabcolsep}{0.2cm} % Space between columns \setlength{\headsep}{-12pt} % Reduce space between header and content \setlength{\headheight}{85pt} % If less, LaTeX automatically increases it \renewcommand{\footrulewidth}{0pt} % Remove footer line \renewcommand{\headrulewidth}{0pt} % Remove header line \renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit % This two commands together give roughly % the right line height in the tables \renewcommand{\arraystretch}{1.3} \onehalfspacing % Commands \newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour \newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols \newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns \newcommand{\tn}{\tabularnewline} % Required as custom column type in use % Font and Colours \definecolor{HeadBackground}{HTML}{333333} \definecolor{FootBackground}{HTML}{666666} \definecolor{TextColor}{HTML}{333333} \definecolor{DarkBackground}{HTML}{7AA365} \definecolor{LightBackground}{HTML}{F6F9F5} \renewcommand{\familydefault}{\sfdefault} \color{TextColor} % Header and Footer \pagestyle{fancy} \fancyhead{} % Set header to blank \fancyfoot{} % Set footer to blank \fancyhead[L]{ \noindent \begin{multicols}{3} \begin{tabulary}{5.8cm}{C} \SetRowColor{DarkBackground} \vspace{-7pt} {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}} } \end{tabulary} \columnbreak \begin{tabulary}{11cm}{L} \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Geometry Finals (Semester 2) Cheat Sheet}}}} \\ \normalsize{by \textcolor{DarkBackground}{frog.lover28} via \textcolor{DarkBackground}{\uline{cheatography.com/147552/cs/32097/}}} \end{tabulary} \end{multicols}} \fancyfoot[L]{ \footnotesize \noindent \begin{multicols}{3} \begin{tabulary}{5.8cm}{LL} \SetRowColor{FootBackground} \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}} \\ \vspace{-2pt}frog.lover28 \\ \uline{cheatography.com/frog-lover28} \\ \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}} \\ \vspace{-2pt}Published 16th May, 2022.\\ Updated 16th May, 2022.\\ Page {\thepage} of \pageref{LastPage}. \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}} \\ \SetRowColor{white} \vspace{-5pt} %\includegraphics[width=48px,height=48px]{dave.jpeg} Measure your website readability!\\ www.readability-score.com \end{tabulary} \end{multicols}} \begin{document} \raggedright \raggedcolumns % Set font size to small. Switch to any value % from this page to resize cheat sheet text: % www.emerson.emory.edu/services/latex/latex_169.html \footnotesize % Small font. \begin{multicols*}{2} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{chapter 6 - relating lines to planes}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{VOCAB} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{plane - a surface such that if any two points on the surface are connected by a line, all points of the line are also on the surface.} \tn % Row Count 4 (+ 3) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{noncoplanar - not on the same plane.} \tn % Row Count 5 (+ 1) % Row 3 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{coplanar - on the same plane.} \tn % Row Count 6 (+ 1) % Row 4 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{foot - point of intersection of a line and a plane.} \tn % Row Count 8 (+ 2) % Row 5 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{} \tn % Row Count 8 (+ 0) % Row 6 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{POSTULATES} \tn % Row Count 9 (+ 1) % Row 7 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{Three noncollinear points determine a plane.} \tn % Row Count 10 (+ 1) % Row 8 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{If a line intersects a plane not containing it, then the intersection is exactly one point.} \tn % Row Count 12 (+ 2) % Row 9 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{If two planes intersect, their intersection is exactly one line.} \tn % Row Count 14 (+ 2) % Row 10 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{} \tn % Row Count 14 (+ 0) % Row 11 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{THEOREMS} \tn % Row Count 15 (+ 1) % Row 12 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{A line and a point not on the line determine a plane.} \tn % Row Count 17 (+ 2) % Row 13 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{Two intersecting lines determine a plane.} \tn % Row Count 18 (+ 1) % Row 14 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{Two parallel lines determine a plane.} \tn % Row Count 19 (+ 1) % Row 15 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{If a line is perpendicular to 2 distinct lines that lie on a plane and that pass through its foot, then it is perpendicular to the plane.} \tn % Row Count 22 (+ 3) % Row 16 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{If a plane intersects 2 parallel planes, the lines of intersection are parallel.} \tn % Row Count 24 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{chapter 8 - ratio and proportion}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{THEOREMS} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{Means-Extremes Products Theorem - a/b = c/d -\textgreater{} ad=bc} \tn % Row Count 3 (+ 2) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{Means-Extremes Ratio Theorem - pq=rs -\textgreater{} p/r=s/q etc.} \tn % Row Count 5 (+ 2) % Row 3 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{Arithmetic mean example: given 3 \& 7, 3+27/2= 15} \tn % Row Count 7 (+ 2) % Row 4 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{Geometric mean example: given 3 \& 7, 3/x = x/27 x=+ or - 9} \tn % Row Count 9 (+ 2) % Row 5 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{AAA (angles) - similar} \tn % Row Count 10 (+ 1) % Row 6 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{AA (angles) - similar} \tn % Row Count 11 (+ 1) % Row 7 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{Side-Splitter Theorem - ab/bc = ae/ed} \tn % Row Count 12 (+ 1) % Row 8 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{} \tn % Row Count 12 (+ 0) % Row 9 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{TERMS} \tn % Row Count 13 (+ 1) % Row 10 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{Dilation/Reduction} \tn % Row Count 14 (+ 1) % Row 11 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{Similarity - same shape but not size} \tn % Row Count 15 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{chapter 10 - circles}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{TERMS} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{concentric circle - same center with different size} \tn % Row Count 3 (+ 2) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{chord - points connected by a segment on a circle} \tn % Row Count 4 (+ 1) % Row 3 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{diameter/radius} \tn % Row Count 5 (+ 1) % Row 4 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{secants/tangents} \tn % Row Count 6 (+ 1) % Row 5 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{} \tn % Row Count 6 (+ 0) % Row 6 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{THEOREMS} \tn % Row Count 7 (+ 1) % Row 7 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{If a radius is perpendicular to a chord then it bisects it (reversed too).} \tn % Row Count 9 (+ 2) % Row 8 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{The perpendicular bisector of a chord passes through the center of a circle.} \tn % Row Count 11 (+ 2) % Row 9 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{If 2 chords are equidistant from the center then they are congruent (reversed too).} \tn % Row Count 13 (+ 2) % Row 10 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{secant/tangent theorems - example: 1/2 (large angle - medium angle) = small angle} \tn % Row Count 15 (+ 2) % Row 11 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{chords: ev . en = el . se} \tn % Row Count 16 (+ 1) % Row 12 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{tp (tangent) squared = (pr)(pq aka external part of secant)} \tn % Row Count 18 (+ 2) % Row 13 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{pb . pa (external part of secant) = pd . pc (external part of secant)} \tn % Row Count 20 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{chapter 12}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{TERMS} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{bases} \tn % Row Count 2 (+ 1) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{lateral faces} \tn % Row Count 3 (+ 1) % Row 3 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{lateral edges} \tn % Row Count 4 (+ 1) % Row 4 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{slant height} \tn % Row Count 5 (+ 1) % Row 5 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{altitude (height)} \tn % Row Count 6 (+ 1) % Row 6 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{LA: Lateral surface area - no bases} \tn % Row Count 7 (+ 1) % Row 7 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{TA: Total surface area - with bases} \tn % Row Count 8 (+ 1) % Row 8 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{volume} \tn % Row Count 9 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{chapter 7 - triangle application theorems}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{THEOREMS} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{The sum of the measures of the 3 angles of a triangle is 180.} \tn % Row Count 3 (+ 2) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{The measure of an exterior angle of a triangle is equal to the sum of the measures of the remote interior angles.} \tn % Row Count 6 (+ 3) % Row 3 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{A segment joining the midpoints of 2 sides of a triangle is parallel to the third side, and its length is one-half the length of the third side (midline theorem).} \tn % Row Count 10 (+ 4) % Row 4 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{No choice theorem - if 2 angles of a triangle are congruent then the remaining ones are also.} \tn % Row Count 12 (+ 2) % Row 5 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{AAS - angle angle side} \tn % Row Count 13 (+ 1) % Row 6 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{} \tn % Row Count 13 (+ 0) % Row 7 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{FORMULAS} \tn % Row Count 14 (+ 1) % Row 8 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{sum of angles in polygon = (sides - 2)180} \tn % Row Count 15 (+ 1) % Row 9 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{exterior angles = 360} \tn % Row Count 16 (+ 1) % Row 10 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{diagonals = sides(sides - 3)/2} \tn % Row Count 17 (+ 1) % Row 11 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{exterior angle = 360/sides} \tn % Row Count 18 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{chapter 9 - a lot of different things}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{RADICAL REVIEW} \tn % Row Count 1 (+ 1) % Row 1 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{squared root of 48 = 4 radical 3} \tn % Row Count 2 (+ 1) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{squared root of 5/3 = squared root of 15/3} \tn % Row Count 3 (+ 1) % Row 3 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{} \tn % Row Count 3 (+ 0) % Row 4 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{CIRCLES} \tn % Row Count 4 (+ 1) % Row 5 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{circumference - pi d} \tn % Row Count 5 (+ 1) % Row 6 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{area - pi r squared} \tn % Row Count 6 (+ 1) % Row 7 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{sector - fraction of circle area} \tn % Row Count 7 (+ 1) % Row 8 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{arc - fraction of circumference} \tn % Row Count 8 (+ 1) % Row 9 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{secants - through circle} \tn % Row Count 9 (+ 1) % Row 10 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{tangent - edge of circle (external/internal)} \tn % Row Count 10 (+ 1) % Row 11 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{} \tn % Row Count 10 (+ 0) % Row 12 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{RIGHT TRIANGLE ALTITUDES} \tn % Row Count 11 (+ 1) % Row 13 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{h squared = x . y} \tn % Row Count 12 (+ 1) % Row 14 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{a squared = x . c} \tn % Row Count 13 (+ 1) % Row 15 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{b squared = y . c} \tn % Row Count 14 (+ 1) % Row 16 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{} \tn % Row Count 14 (+ 0) % Row 17 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{OTHER} \tn % Row Count 15 (+ 1) % Row 18 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{pythagorean theorem - a squared + b squared = c squared} \tn % Row Count 17 (+ 2) % Row 19 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{distance formula - squared root (x2 - x1) squared + (y2 - y1) squared} \tn % Row Count 19 (+ 2) % Row 20 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{30 60 90} \tn % Row Count 20 (+ 1) % Row 21 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{45 45 90} \tn % Row Count 21 (+ 1) % Row 22 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{SOH CAH TOA} \tn % Row Count 22 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{chapter 11 - area}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{I don't feel like writing all of the area formulas but here are the ones you need to know...} \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{square/rectanle} \tn % Row Count 3 (+ 1) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{triangle} \tn % Row Count 4 (+ 1) % Row 3 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{parallelogram} \tn % Row Count 5 (+ 1) % Row 4 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{trapezoid (and median)} \tn % Row Count 6 (+ 1) % Row 5 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{kite} \tn % Row Count 7 (+ 1) % Row 6 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{polygons} \tn % Row Count 8 (+ 1) % Row 7 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{circle, sectors, segments} \tn % Row Count 9 (+ 1) % Row 8 \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{} \tn % Row Count 9 (+ 0) % Row 9 \SetRowColor{white} \mymulticolumn{1}{x{8.4cm}}{hero formula: squared root of s(s-a)(s-b)(s-c)} \tn % Row Count 10 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} % That's all folks \end{multicols*} \end{document}