WorksheetsCircles
Total questions: 46
Worksheet time: 2hrs 58mins
What is the formula for circumference of a circle given the diameter?
C = π x r
C = 2 x π x r
C = π x d
C = 2 x π x d
What is the formula for circumference of a circle given the diameter?
C = π x r
C = 2 x π x r
C = π x d
C = 2 x π x d
Find the radius of the circle
20 ft
10 ft
5.5 ft
10
find the radius of the circle
3 m
1.5 m
1.5
1.5 mm
find the diameter of the circle
14 m
7 m
14
3.5 m
find the diameter of the circle
1 ft
4 ft
4 mm
2 ft
what is the radius of the inner circle?
12 in
8 in
8 ft
4 in
Does this picture show the diameter or radius of a circle?
Diameter
Radius
What does d represent in the formula:
C = d x π
diameter
radius
pi
3.14
What number represents π?
31.4
4.13
3.14
34.1
Find the circumference of a circle with a diameter of 18.4 km.
23.7 km
57.8 km
19.3 km
59.1 km
Find the circumference of a circle with a radius of 5.8 cm.
37 cm
38.3 cm
36.4 cm
42.7 cm
Find the circumference of a circle with a diameter of 6.8 m. Use 3.14 for pi.
22.7 m
31.5 m
21.4 m
25.8 m
Find the circumference with the a radius of 8 cm.
51.8 cm
22.2 cm
17.8 cm
50.2 cm
Find the circumference of a circle with a diameter of 15.2 km.
52.2 km
47.7 km
61 km
57.9 km
Find the circumference of a circle with a radius of 9 mm.
59.1 mm
113 mm
26.6 mm
56.5 mm
Find the circumference of a circle with a diameter of 14.8 m.
48.7 m
104.4 m
93 m
46.5 m
Find the circumference with a radius of 10 cm. Use 3.14 for pi.
68.4 cm
62.8 cm
65.3 cm
72.2 cm
Find the circumference of a circle with a diameter of 23.4 m.
153.2 m
73.5 m
306.4 m
76.6 m
Jaylon skates at a circular rink that has a radius of 4 yards. If he skates around the outside of the rink about how far does he skate one time around? (use 3.14 for π )
50.24 yd
25.12 yd
38.92 yd
12.56 yd
Caedyen has trained his puppy, Chase, to jump through a ring. According to Caedyen's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference rounded to the nearest whole number (use 3.14 for pi)?
10 ft
12 ft
11 ft
21 ft
Jojo bought a circular beach towel. The towel had a fringe around the entire edge of it. If the radius of the towel is 2.5 ft., how long was the fringe?
3.14
12.56
15.7
7.065
Lacie 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
A jar lid has a diameter of 32 millimeters. What is the circumference of the lid to the nearest tenth?
100.5 mm
96.3 mm
115.6 mm
69.9 mm
The radius of Michael’s basketball rim is 8 inches. What is the circumference to the nearest hundredth?
25.12 in
50.27 in
12.56 in
48.15 in
The midfield circle on a soccer field has a diameter of 48 ft. Francine runs once around the midfield circle. To the nearest foot, how far does Francine run?
75 ft
124 ft
144 ft
151 ft
A sauce pan has a radius of 16 centimeters. What is the circumference of the sauce pan to the nearest tenth?
48.0 cm
100.5 cm
96.0 cm
50.2 cm
The radius of the top of an eraser on a pencil is 2.5 millimeters . Find the circumference of the eraser to the nearest tenth.
49.3 mm
22.6 mm
15.7 mm
7.9 mm
