Entry Task Review Area and Circumference of a Circle

What is the circumference of a circle with a radius of 21 cm?

• 131.9 cm

• 121.9 cm

• 111.9 cm

• 141.9 cm

What is the circumference of a circle with a radius of 3 cm?

• 18.9 sq. cm

• 28.3 cm

• 18.9 cm

• 28.3 sq. cm

The radius of the circle is 9 meters.  What is the circle's circumference?

• 9 meters

• 28.26 meters

• 56.52 meters

• 18 meters

If the diameter of a circle is 10 mm, the circumference is approximately ___

• 314 mm

• 3.14 mm

• 31.4 mm

• 20 mm

Find the area of the circle

• 43.96

• 153.86

• 87.82

• 307.72

Find the area of the circle

• 56.52

• 254.34

• 1017.36

• 113.04

find the area of the circle below.

• 100 cm

• 225 cm

• 9 cm

• 28.26 cm

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

A cruise ship has a large, circular window. It has a diameter of 8 meters. What is the window's area?

• 31.25 m²

• 29.55 m²

• 30.36 m²

• 50.27 m²

Find the area of a circle if you are given a diameter of 2.5 inches. Use 3.14 for π and round to the nearest tenths place

• 5 inches²

• 4.8 inches²

• 4.89 inches²

• 4.9 inches²