Perimeter, Circumference and Area

Front

What is the formula to find the area of a trapezoid?

Back

(1/2) * (sum of parallel sides) * (height)

Front

What is the formula for finding the area of a circle?

Back

A = π * r²

Front

What is the distance around an object called?

Back

Perimeter

Front

What is the formula for finding the area of a rectangle?

Back

A = l • w

Front

If the area of a rectangle is 63 sq. inches and one side is 7 inches, what is the other side length?

Back

9 inches

Front

What is the formula for the circumference of a circle?

Back

C = 2 * π * r

Front

What is the area of a square with a side length of 5 cm?

Back

25 cm²

Front

How do you calculate the perimeter of a rectangle?

Back

Perimeter = 2 * (length + width)

Front

What is the area of a triangle?

Back

A = (1/2) * base * height

Front

What is the formula for the area of a parallelogram?

Back

A = base * height