Circle Area Pi

When is pi used?

• unlock your locker

• to find your way home

• area of a circle

• tangent of a rectangle

Find the area of the circle below.

• 113.04 cm units²

• 18.84 cm units²

• 9 cm units²

• 28.26 cm units²

What is the area of this circle?

• 8322.13

• 1134.11

• 4536.46

• 1267.09

What is the area of this circle?

• 6082.12

• 1519.76

• 1893.14

• 1292.92

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

Find the area of the circle

• 56.52

• 254.34

• 1017.36

• 113.04

What is the area of a circle with a radius of 21 cm?

• 1384.74 cm²

• 2142.12 cm²

• 4348.08 cm²

• 1289.12 cm²

What is the area of this circle?

• 1256.64

• 31.41

• 314.16

• 123.12

The diameter of the face-off circle on an ice-hockey rink is 30 feet. Find its area.

• 675.6 ft²

• 29.67 ft²

• 545.8 ft²

• 706.5 ft²

What is the radius of this circle?

• 140

• 35

• 70