Circumference
Circumference/Area
Area
Find Area Diameter/Radius
Circles, Circles, Circles
100

What is the circumference of a circle when the diameter is 2 cm?

6.28 cm

100

What is the area of a circle when the radius is 2 in?

12.56 sq in

100

What is the area of a circle when the radius is 1 m?

3.14 sq m

100

What is the diameter of a circle with a circumference of  40.841?

13

100

What do you call the midpoint of a circle?

center

200

What is the circumference of a circle when the radius is 3 mm?

18.84 mm

200

What is the circumference of a circle when the diameter is 30 u?

94.2 u

200

What is the area of a circle when the radius is 8 in?

200.96 sq in

200

What is the radius of circle with a circumference of 40.841?

6.5

200

What number do we use for pi?

3.14

300

What is the circumference of a circle when the diameter is 5 m?

15.7 m

300

What is the radius of a circle when the area is 153.86 sq m?

7 m

300

What is the area of a circle when the diameter is 6 in?

28.26 sq in

300

What is the diameter of a circle with a circumference of 57.805?

18.4

300

What is the distance from the center of a circle to any point on its perimeter called?

radius

400

What is the circumference of a circle when the radius is 7.5 in?

47.1 in

400

What is the circumference of a circle when the diameter is 55 yd?

172.7 yd

400

What is the area of a circle when the radius is 3.14 cm?

30.959144 sq cm

400

What is the radius of a circle with a circumference of 57.805?

9.2

400

What is a straight line segment that passes through the center of a circle, connecting two opposite points on its edge.

diameter

500

What is the circumference of a circle when the radius is 3.14 ft?

19.7192 ft

500

What is the area of a circle when the diameter is 10 mm?

78.5 sq mm

500

What is the area of a circle when the diameter is 15 cm?

176.625 sq cm

500

What is the diameter and radius of a circle with a circumference of 33.929?

Diameter = 10.8

Radius = 5.4

500

When given the diameter, how can you find the radius?

divide the diameter by 2