Circumference and Area

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

find the area of the circle below.

• 100 cm
• 225 cm
• 9 cm
• 28.26 cm

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