Area of a Circle

What is the radius of this circle?

• 18
• 10
• 9
• 8

Find the area of the circle

• 43.96
• 153.86
• 87.82
• 307.72

find the area of the circle below.

• 100 cm
• 225 cm
• 9 cm
• 28.26 cm

If the diameter of a circle is 50 yards, the radius is _____

• 100 yards
• 25 yards
• 150 yards
• 15 yards

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?

• 6082.12
• 1520.53
• 1893.14
• 1292.92

What is the area of this circle?

• 163.2
• 15.3
• 124.2
• 113.1

what is the area of a circle with the diameter of 10cm ?

• 66cm
• 78.5cm
• 66.5cm
• 10m

What is the formula for area of a circle given the radius?

• A = πr
• A = 2πr
• A = πd
• A = πr²

What is the area of this circle?

• 82.13 m²
• 78.50 m²
• 314.16 m²
• 170.12 m²