Circumference and Area Quiz

The radius of a circle is ​ (a)   the diameter.

• half
• twice
• triple

What is the length of the diameter of the circle?

Find the circumference of the circle whose diameter is 10 m

• 31.4 m

• 62.8 m

• 15.7 m

What is the circumference of this circle ?

• 3.14 cm 
• 37.68 cm
• 24 cm
• 68.4 cm

What is the area of this circle?

• 1385.44
• 2142.12
• 5541.77
• 1289.12

• 18.84

• 113.04

• 37.68

• 59.1576

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's area?

• 31.25 m²
• 29.55 m²
• 30.36 m²
• 28.26 m²

A movie theater is attracting customers with searchlights. One circular searchlight has a diameter of 4 feet. What is the searchlight's radius?

Find the area of a circle with a diameter of 6 inches.

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