1b - 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

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

• Radius

• Diameter

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

Shring's dining room table is round and has a radius of 4.5 feet. What is the tabletop's area?

• 63.585 ft²

• 68.345 ft²

• 64.585 ft²

• 61.345 ft²

What is the area of this circle?

• 6082.12

• 1519.76

• 1893.14

• 1292.92

What is the area of this circle?

• 163.2

• 15.3

• 124.2

• 113.1

What is the area of this circle?

• 15393.8

• 1248.12

• 5930.12

• 3846.5