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Word Problems
Area
Circumference
Semicircle/Quadrant
100
Find the radius given the circumference 50.24

8

100

Find the circumference of a plate that has a diameter of 28 cm.

88 cm

100
Find Area when Radius = 4
50.27
100

Find circumference: When radius = 5

31.42

100

The radius of a quadrant is 4. What's the area?

12.56

200

Find the diameter given circumference of 125.6

20

200

A circular pendant has a diameter of 7 cm. Find the amount of space that the pendant occupies.

153.86 cm2

200
Find Area when Radius = 14
615.75
200
What is the circumference of a circle with a diameter of 4?
12.57
200

The diameter of a semicircle is 10. What's the area of the semicircle?

39.25

300

Find the radius given the area 706.5

15

300

The radius of a bicycle wheel is 10.5 inches. Find the circumference of the wheel. 

65.94 in.

300
Find Area when Radius = 21
1,385.44
300
Find Circumference when Radius = 25
157.08
300

Find the arc length of a semicircle that has a diameter of 12.

9.42

400

Find the diameter given the area is 803.84

32

400

The radius of a cheeseburger is 2.5 inches. What's the area of the burger?

19.625 in2

400
What is the area of a circle with a diameter of 10?
78.54
400
What is the circumference of a circle with a diameter of 22?
69.12
400

The shape of a floor mat is a semicircle. It is 76 cm across (through the center). Find the distance around the mat.

195.32 cm

500

Find the area of a circle if it's circumference is 81.64 ft.

113.04 ft

500

The fence around the merry-go-round measures 56.52 feet. What's the distance from the fence to the center of the merry-go-round? 

9 feet.

500
What is the area of a circle with a diameter of 100?
7,853.98
500
What is the circumference of a circle with a diameter of 100?
314.16
500
Jessie ate a quarter of a pizza that measured 16 inches across. What is the area of pizza that's left over?

150.72

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