Area Formulas and Circumference

What is the area of the rectangle?

• 15 cm2

• 8 cm2

• 2 cm2

• 16 cm

Find the area of the square.

• 49 mi²

• 28 mi²

• 14 mi²

• 21 mi²

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

• 1 cm2

• 16 cm2

• 8 cm2

• 2 cm2

What is the formula to calculate the circumference of a circle?

• Both A and B

A circle has a circumference of 62.8 cm. What is its radius?

• 10 cm

• 20 cm

• 5 cm

• 15 cm

If the diameter of a circle is 10 cm, what is its circumference?

• 31.4 cm

• 62.8 cm

• 15.7 cm

• 20 cm

• 25 cm

• 50 cm

• 12.5 cm

• 30 cm

• 25.12 inches

• 12.56 inches

• 50.24 inches

• 31.4 inches

• 31.4 meters

• 15.7 meters

• 62.8 meters

• 28.26 meters

A circle has a radius of 14 cm. What is its circumference?

• 44 cm

• 88 cm

• 87.92 cm

• 28 cm