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30 seconds
1 pt
The radius is....
a line that crosses through the center and touches each edge
the center point of a circle
a line from the center point to the edge of the circle
an element in science
Multiple Choice
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30 seconds
1 pt
Which segment is not a radius?
CA
CB
CD
LM
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
What is the diameter?
8
16
10
4
Multiple Choice
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2 minutes
1 pt
find the area of the circle below.
100 cm
225 cm
9 cm
28.26 cm
Multiple Choice
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2 minutes
1 pt
Find the area of the circle. Use 3.14 for π. Round to the nearest tenth if necessary. a circle with radius 48 mm
7,234.56 mm2
2,216.46 mm2
7,934.59 mm2
7,314.22 mm2
Multiple Choice
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2 minutes
1 pt
Find the Circumference.
31.4 in
78.5 in sq
15.7 in
3.14 in
Multiple Choice
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2 minutes
1 pt
What is the circumference?
50
96
24
18
Multiple Choice
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2 minutes
1 pt
A circular swimming pool is 21 feet in diameter. How many feet around is the pool?
10.5 ft
42 ft
65.97 ft
131.88 ft
Multiple Choice
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2 minutes
1 pt
Daniel wants to buy cookies for her friend. The radius of a cookie is 5 inches. What is the cookie’s circumference?
10 in
2.5 in
15.7 in
31.4 in
Multiple Choice
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2 minutes
1 pt
what is the area of this semicircle (d= 8) ?
25.12cm
50.27cm
200.96cm
none of the above
Multiple Choice
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1 minute
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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3 minutes
1 pt
Mrs. Apple just bought a new dinning room table. She needs to make a table cloth for decoration. What amount of fabric should she buy if the table has a diameter of 5 feet? Choose the equation that would best help solve this problem.
C = π5
C = (2)(π)(2.5)
A = π52
A = π2.52
Multiple Choice
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30 seconds
1 pt
Does this picture show the diameter or radius of a circle?
Diameter
Radius
Multiple Choice
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1 minute
1 pt
What is the area of a circle?
The distance around a circle.
The space inside the circle.
A line from side to side passing through the center.
A line from the center to the side.
Multiple Choice
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2 minutes
1 pt
A circular window has a diameter of 24 inches. A piece of metal is to go around the window for a frame. How long does the metal need to be? (Best Choice)
24π or about 75.36 in
12π or about 37.68
576π or about 1,808.64 in
144π or about 452.16 in
Multiple Choice
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1 minute
1 pt
What is π ? (Best Choice)
The ratio of the circumference of any circle to its diameter.