Circles Area

What is the area of this circle?

• 1385.44

• 2142.12

• 5541.77

• 1289.12

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's area?

• 31.25 m²

• 29.55 m²

• 30.36 m²

• 28.26 m²

Danielle wants to make cookies for 3 friends. The radius on each cookie is 5 inches. If she wants to ice ALL 3 of the cookies, how many square inches of cookies must she cover with icing?

• 47.1 in²

• 235.6 in²

• 78.5 in²

• 15.7 in²

Ms. Catall is using a compass to find her way out of the woods. The compass has a radius of 4 centimeters. What is the compass's area?

• 49.2 cm²

• 45.6 cm²

• 50.24 cm²

• 55.9 cm²

Find the area of the circle.

• 56.52 in²

• 254.34 in²

• 1017.36 in²

• 113.04 in²

Find the area of the circle with a radius of 3 cm.

• 8.76 cm²

• 18.52 cm²

• 21.90 cm²

• 28.26 cm²

Answer explanation

Use area of a circle formula: A =πr²

A = π⋅3²

A = 9π

A = 28.27 cm²

How do you find the area of a circle?

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

• A = πd

• A = 2πr

• A = πr²

• A = xyz

Which formula do you use to find the area of the circle?

• C=πd

• C =2π r

• A=π r²

• A = 2 π r

Tags

8.6A

8.7.A

Find the area of the circle

• 56.52

• 254.47

• 1017.36

• 113.04