Some helpful formulas Name Date Period Basic Geometry

Some helpful formulas:

Name: ____________ Date: ____________ Period: _____ Basic Geometry Review! PERIMETER AREA • What’s inside • Ex: carpet, flooring • units 2 • • Add up sides What’s outside Ex: fence, border units 10 in 5 cm 6 in Area: ___________ Perimeter: _________ For circles, perimeter is the same as__CIRCUMFERENCE__. 14 in A: ________ P: ________

Recall the Basics! Find the area and perimeter of the following shapes. Don’t forget your units! Find the area & perimeter of the following shapes. Don’t forget your units! 4. Trapezoid, where the height is 10 inches, base 1 is 3 inches, and base 2 is 6 inches. 3 inches 1. 8 inches Draw your own picture! A: ________________ P: ________________ 2. 5. Square, where each side is 5 inches. 6 cm A: ________ P: ________ 3. A: ________ P: ________ 12 6. Right Triangle, where side a = 3 and side b = 4. m 4 m 10 m A: ________ P: ________ A: ________ Bonus! P: ________

Find the AREA & PERIMETER for the following figures. Type your equations & final answer! 4 cm 3 cm 4 in 2 units 2 cm 5 in 6 cm 3 in 5 units 2 units 7 units 8 cm 2. 5 in 1 units 2 units . 5 in 1 in 3 in 2 cm 3 units 1 in 3 units 6 units 8 cm 4 in 2 in 3 cm Example!