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30 seconds
1 pt
The radius of a circle is
The measurement from the center of a circle to an edge of the circle.
The measurement around the circle
The measurement from and edge of the circle to another edge through the center
A line perpendicular to the diameter of the circle
Multiple Choice
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30 seconds
1 pt
The diameter of a circle is:
The measurement around the circle.
The distance from an edge of a circle to another edge.
The distance from the center of the circle to an edge of a circle
The distance from an edge of a circle to another edge through the center.
Multiple Choice
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30 seconds
1 pt
What is the diameter?
8
16
10
4
Multiple Choice
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30 seconds
1 pt
What is the radius?
18
72
38
14
Multiple Choice
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30 seconds
1 pt
Is the red line a radius or diameter of the circle?
Radius
Diameter
Multiple Choice
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30 seconds
1 pt
Is the red line a radius or diameter of the circle?
Radius
Diameter
Multiple Choice
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30 seconds
1 pt
What does "circumference" mean?
Space a circle takes up
Distance around a circle
Line from one side of a circle to another
Line from center of circle to side
Multiple Choice
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30 seconds
1 pt
True or False: An equation for Circumference is C = πr2
True
False
Multiple Choice
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30 seconds
1 pt
Steven purchases a bowl. The diameter of the bowl is 14 cm. What is the circumference of the bowl?
28 cm
43.96 cm
87.96 cm
7 cm
Multiple Choice
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30 seconds
1 pt
Find the circumference of a circle with a radius of 13.5 mm.
37.68mm
18.84mm
84.78 mm
none of the above
Multiple Choice
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30 seconds
1 pt
What is the circumference of a circle with a radius of 54 m?
339.12 m
169.56 m
84.78 m
Multiple Choice
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30 seconds
1 pt
A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's approximate circumference?
3 m
9.42 m
12 m
18.84 m
Multiple Choice
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30 seconds
1 pt
Determine the radius of the penny
59.66 mm
9.5 mm
38 mm
119.32 mm
Multiple Choice
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30 seconds
1 pt
If my diameter is 19 inches, what is my radius?
38 inches
9.5 inches
59.66 inches
119.32 inches
Multiple Choice
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30 seconds
1 pt
A circular swimming pool is 21 feet in diameter. How many feet around is the pool?
10.5 ft
42 ft
65.94 ft
131.95 ft
Multiple Choice
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30 seconds
1 pt
Find the circumference (to the nearest whole number)
88 in
44 in
116 square in
None of the above
Multiple Choice
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30 seconds
1 pt
Alex has trained his puppy, Popper, to jump through a ring. According to Alex's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference (use 3.14 for pi)?
11.32 ft
12.25 ft
10.99 ft
8.75 ft
Multiple Choice
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30 seconds
1 pt
Randy’s circular garden has a radius of 1.5 feet. He wants to enclose the garden edging that costs $0.75 per foot. About how much will the edging cost?
$8.00
$7.00
$3.50
$0.50
Multiple Choice
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30 seconds
1 pt
The homeowners association wants to enclose the playground in a fence. How much fencing will they need to purchase? Is this question finding the area or the circumference?
area
circumference
neither
Multiple Choice
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30 seconds
1 pt
Jayne has a very large circular lollipop that has a circumference of 25.12 inches. What would the diameter of Jayne’s lollipop be? Use π = 3.14.
4 in.
8 in.
12 in.
16 in.
Multiple Choice
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30 seconds
1 pt
The circumference is 62.8 inches. What is the radius?