Show Menu
Cheatography

ACT/SAT Circle Facts Cheat Sheet (DRAFT) by

A group of facts related to circles for use in studying for standarized tests.

This is a draft cheat sheet. It is a work in progress and is not finished yet.

Definition of a Circle

Area and Circum­ference Formulae

Equation of Circle

 

Arc Length

Triangle Area

Segment Area

Pythag­orean Theorem

Distance Formula

 

Right Triangle

SOH - CAH - TOA

Sine
opposi­te/­hyp­ote­neuse
Cosine
adjace­nt/­hyp­ote­neuse
Tangent
opposi­te/­adj­acent

SOH - CAH - TOA

Sine
opposi­te/­hyp­ote­neuse
Cosine
adjace­nt/­hyp­ote­neuse