Area of a Circle

The radius of a circular clock is 13 centimeters. What is the area?

• 530.66 cm²

• 81.68 cm²

• 40.84 cm²

• 348.99 cm²

• 50.24 mm²

• 103.62 mm²

• 153.86 mm²

• 615.44 mm²

• 200.96 mm²

• 113.04 ft²

• 140.04 ft²

• 236.52 ft²

• 293.52 ft²

• 308 cm²

• 231.07 cm²

• 126.07 cm²

• 181.93 cm²

• 286.93 cm²

A hula hoop has a diameter of 3 feet. What is it's area?

• 18.85 ft²

• 9.42 ft²

• 28.26 ft²

• 7.07 ft²

_{What is the diameter?}

• 5 in

• 10 in

• 3.14 in

• 2.5 in

Determine the radius of the penny

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

The largest cookie ever baked measured a radius of 51 feet.  Which of these is the closest to the area of the cookie?  

• 2601 ft²
• 8167 ft²
• 2042 ft²
• 162 ft²

What is the area of this circle?

• 163.2
• 15.3
• 124.2
• 113.1

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