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Math 7 Formulas

Math 7 - Ch. 8

QuestionAnswer
What is the formula for the circumference of a circle? C = 2лr or C=лd
What is the formula for the perimeter of a rectangle? P = 2l + 2w
What is the formula for the area of a rectangle? A = lw
What is the formula for the area of a triangle? A = 1/2bh or A = bh ÷ 2
What is the formula for the area of a parallelogram? A = bh
What is the formula for the area of a circle? A = лr²
What is the formula for the area of a trapezoid? A = 1/2h(b1 + b2) or A = h(b1 + b2) ÷ 2
What is perimeter? The distance around a figure
What is circumference? The distance around a circle
What is area? The space inside a figure
Created by: unverferth
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