Cheatography
https://cheatography.com
Holt McDougal Geometry Chapter 10 & 11
Theorems & Postulates
area addition postulate |
the area of a region is equal to the sum of the areas of its nonoverlapping parts |
Formulas
area of a parallelogram |
area = bh |
area of a triangle |
area = 1/2bh |
area of a trapezoid |
area = [(b1 + b2)h]/2 |
area of a rhombus or kite |
area = 1/2d1d2 |
volume of a triangular prism |
volume = base * height |
volume of a rectangular prism |
volume = length width height |
volume of a cube |
volume = edge length3 |
volume of a cylinder |
volume = area of the base * height |
|
|
Vocabulary
composite figure |
a figure made up of simple shapes, such as triangles, rectangles, trapezoids, and circles |
face |
the flat surfaces of a 3D solid |
edge |
a segment that is the intersection of two faces |
vertex |
a point of intersection of three or more faces |
prism |
formed by two parallel congruent polygonal faces called bases connected by faces that are parallelograms |
cylinder |
formed by two parallel congruent circular bases and a curved surface that connects the bases |
pyramid |
formed by a polygonal base and triangular faces that meet at a common vertex |
cone |
formed by a circular base and a curved surface that connects the base to a vertex |
cube |
a prism with six square faces |
net |
a diagram of the surfaces of a 3D figure that can be folded to form the 3D figure |
cross section |
the intersection of a 3D figure and a plane |
volume |
the number of nonoverlapping unit cubes of a given size that will exactly fill the interior |
|
Created By
Metadata
Comments
No comments yet. Add yours below!
Add a Comment
Related Cheat Sheets
More Cheat Sheets by CCRoses