Geometry Circle Review Area, Circumference

Your Geometry teacher rents a fast car for the weekend. Her friend, a Physics teacher, uses a stopwatch to time how long it takes your teacher to make one complete revolution about the track. Is this question circumference or area?

• Circumference

• Area

Ray wants to build a fence around his circular garden outside. The garden has a radius of 6 ft. How many feet of fencing does he need?

• 37.68 ft

• 18.84 ft

• 113.04 ft

• 452.16 ft

Find the circumference (to the nearest whole number)

• 88 in

• 44 in

• 116 square in

• None of the above

Steven purchases a bowl. The diameter of the
bowl is 14 cm. What is the circumference of the 
bowl?

• 28 cm

• 43.98 cm

• 87.96 cm

• 7 cm

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

What is the radius of this circle?

• 18

• 10

• 9

• 8

If the diameter of a circle is 50 yards, the radius is _____

• 100 yards

• 25 yards

• 150 yards

• 15 yards

Determine the radius of the penny

• 59.66 mm

• 9.5 mm

• 38 mm

• 119.32 mm

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

• 9 meters

• 28.26 meters

• 56.52 meters

• 18 meters