Pi.R^2

What is the area of this circle?

• 201.06
• 50.27
• 123.12
• 94.43

What is the area of this circle?

• 62.59
• 113.1
• 19.81
• 28.27

Does this picture show the diameter or radius of a circle?

• Diameter
• Radius

What is the area of this circle?

• 82.13
• 78.54
• 314.16
• 170.12

Find the area of the circle

• 43.96
• 153.86
• 87.82
• 307.72

What is the area of this circle?

• 6082.12
• 1520.53
• 1893.14
• 1292.92

Is the red line a radius or diameter of the circle?

• Radius

• Diameter

What is the radius of this circle?

• 18
• 10
• 9
• 8

What is/are the formula(s) to find the area of a circle?

• πr²
• 2πr
• √π

Determine the radius of the penny

• 59.66 mm
• 9.5 mm
• 38 mm
• 119.32 mm