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Area 2D Formulas

Formulas students need to memorize in 7th grade math

QuestionAnswer
What is the formula for the area of a circle? pi x r squared or pi x r x
What is the circumference of a circle pi x d or 2 x pi x r
Area of a trapezoid Area = 1/2 (b1 + b2)h
Area of a triangle A = 1/2 b h
Area of a parallelogram A = b h
Area of a cube A = a ^2 or a squared
Area of a rectangle A = lw
Created by: MsJudyKnight
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