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Area 2D Formulas
Formulas students need to memorize in 7th grade math
Question | Answer |
---|---|
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 |