Area, Perimeter, & Circumference Review

Front

What is the distance halfway across a circle called?

Back

Radius

Front

What is the formula for the circumference of a circle with diameter 15 mm?

Back

c = 15π

Front

What is the perimeter of a square with a side length of 7 cm?

Back

28 cm

Front

What is the area of a circle with a radius of 12 inches?

Back

144π or about 452.16 in²

Front

What is the perimeter of a rectangle with a length of 5 in and a width of 3 in?

Back

16 in

Front

What is the formula for the circumference of a circle?

Back

c = 2πr or c = πd

Front

How do you calculate the area of a rectangle?

Back

Area = length × width

Front

What is the formula for the area of a circle?

Back

Area = πr²

Front

If a circle has a radius of 10 cm, what is its circumference?

Back

c = 20π or about 62.83 cm

Front

What is the perimeter of a square with a side length of 4 cm?

Back

16 cm