Worksheets7th math 9.1-9.2
Total questions: 20
Worksheet time: 1hrs 4mins
If the diameter of a circle is 4, what is the radius?
4
2π
4π
2
If r = 4, d = ?
4
2
8
8π
What is the formula for finding the area of a circle?
What does π equal?
3
3.14
3.2
21/7
Find the approximate area of the circle in the image.
63.585 square inches
81 square inches
20.25 square inches
254.34 square inches
Fill in the blank. The radius of a circle is equal to _________ its diameter.
half
twice
the square of
Fill in the blank. The circumference of a circle is the ________.
distance around it
space inside it
Find the area of the circle
43.96 units2
153.86 units2
87.82 units2
307.72 units2
Find the area of the circle
56.52 in2
254.34 in2
1017.36 in2
113.04 in2
What is the area of this circle?
82.13 m2
78.5 m2
314.16 m2
170.12 m2
Mark is putting a round fountain in his backyard. He decides to place bricks around the edge of the fountain. If the radius of the fountain is 1.5 feet, what is the length of the brick edge?
9.42 ft
12.56 ft
17.5 ft
15.7 ft
Juan is walking a circular track. The diameter of the track is 6 feet. If he walks 3 times around the track, how far does he walk?
18.84 ft
56.52 ft
200.96 ft
15.7 ft
Joanne is making a cookie cake for her daughter's birthday. The diameter of the cookie is 16 inches. What is the area of the cookie?
200.96
354.34
56.52
37.68
Jason is painting a large circle on one wall of his new apartment. The largest distance across the circle will be 8 feet. Approximately how many square feet of wall will the circle cover?
200.96 ft2
50.24 ft2
25.12 ft2
20.96 ft2
