Area and Circumference

A bicycle tire has a diameter of 27 inches. How far does the bike travel along the ground when the wheel rotates once? What is the circumference of this tire?

• 81

• 15.5

• 27

• 13

What is the diameter?

• 5 in

• 10 in

• 3.14 in

• 15.84 in

find the area of the circle below.

• 100 cm

• 225 cm

• 9 cm

• 28.26 cm

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

As a reward for good behavior, Jennifer gets to spin the big prize wheel, which has a diameter of 5 yards. What is the prize wheel's circumference?

• 13.4 yds

• 15.7 yds

• 16.3 yds

• 14.8 yds

Shinaidine's motorcycle tire has a diameter of 16 inches. What is the tire's radius?

• 15 inches

• 12 inches

• 8 inches

• 4 inches

Find the area of the circle.

• 43.96

• 153.86

• 87.82

• 307.72

What is the diameter of this circle?

• 3.5

• 3

• 5

• 7

The radius is....

• a line that crosses through the center and touches each edge 

• the center point of a circle 

• a line from the center point to the edge of the circle

• an element in science

What is the area of a circle with the diameter of 10cm ?

• 66cm

• 78.5cm

• 66.5cm

• 10m