2D Area Formulas Flashcards

Front

What is the area formula for a rectangle?

Back

A = bh, where b is the base and h is the height or length times width

Front

What is the area formula for a parallelogram?

Back

A = bh, where b is the base and h is the height.

Front

What is the area formula for a triangle?

Back

Front

What is the area formula for a trapezoid?

Back

Front

What is the area formula for a circle?

Back

Front

What does the "a" represent in a formula?

Back

Area

Front

How do you calculate the area of a circle if you know the diameter?

Back

First, divide the diameter by 2 to get the radius, then use A = π(r²).