Area & Circumference of Circles
2 years ago
landjwil
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• Question 1
60 seconds
Q. Is the red line a radius or diameter of the circle?
Diameter
• Question 2
900 seconds
Q. What is the radius of this circle?
18in
36in
9in
8in
• Question 3
900 seconds
Q. A ball has a circumference of 9.42 cm. What is the diameter?
29.5788 cm
59.1576 cm
3 cm
1.5 cm
• Question 4
900 seconds
Q. Steven purchases a bowl. The diameter of the bowl is 14 cm.
What is the distance around the bowl?
21.98 cm
43.98 cm
87.96 cm
7 cm
• Question 5
30 seconds
Q. What is the diameter?
8cm
16cm
10cm
4cm
• Question 6
180 seconds
Q.

A cruise ship has a large, circular window. It has a diameter of 6 meters. How many square meters of glass is the window made of?

31.25 m2

29.55 m2

30.36 m2

28.27 m2

• Question 7
120 seconds
Q. Find the radius of a circle if the area is 201.1 mi2
10 mi
8mi
20 mi
5mi
• Question 8
60 seconds
Q. If you are going to paint the entire center circle of a basketball court, do you need to know the area or circumference of the circle?
Area
Circumference
Neither
• Question 9
60 seconds
Q.

The radius of a circle is 6.5 inches.

Find the circumference of the circle.

132.7 in

40.8 in

20.4 in

572.3 in

• Question 10
300 seconds
Q.

What is the area of this circle?

50.27 cm2

78.23 cm2

98.12 cm2

201.06 cm2

• Question 11
120 seconds
Q. What is the area of a circle with a diameter of 12cm?
452.39cm2
139.12cm2
113.1cm2
84.23cm2
• Question 12
900 seconds
Q. The homeowners association wants to enclose a circular playground in a fence. The need to find the amount of fencing they need to purchase.  Will they need the area or circumference of the playground?
area
circumference
neither
• Question 13
300 seconds
Q. Danielle wants to make a cookies for 3 friends. The radius of a cookie is 5 inches. If she wants to ice ALL 3 of the cookies, how many square inches of cookies must she cover with icing?
47.1 in2
235.5 in2
78.5 in2
15.7 in2
• Question 14
180 seconds
Q.

A DVD has a diameter of 15 millimeters. Which equation would help you determine the distance around the DVD?

C = 15π

A = π7.52

A = 15 ÷ π

C = 7.5π

• Question 15
30 seconds
Q. Jake's cow is tied to a beanstalk with a piece of rope that is 15ft long. What is the area of the circle in which the cow can graze?