Pi.R^2 Round 2

What is the radius of this circle?

• 18
• 10
• 9
• 8

What is the area of this circle?

• 163.2
• 15.3
• 124.2
• 113.1

Find the area of the circle

• 56.52
• 254.34
• 1017.36
• 113.04

Find the area of the circle

• 43.96
• 153.86
• 87.82
• 307.72

What does A represent in the formula:

A = π·r²

• Area

• Radius

• Pi

• Diameter

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

• A = π·d

• C = 2·π·r

• A = π·r²

• C = π·d

What does r represent in the formula:

A = π·r²

• circumference

• radius

• diameter

• squared

What number does π represent?

• 4.13

• 3.41

• pie

• 3.14

What is the area of a circle?

• halfway through a circle

• a line through the center of a circle

• the amount of space inside of the circle

• the distance around a circle

Find the area of the circle.

• 12.56 cm²

• 25.12 cm²

• 50.24 cm²

• 200.96 cm²