Throughout this review, for any answer that requires a decimal, round to the nearest hundredth. It is also not necessary to write the units. Use 3.14 for pi.
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Question 1
1.
If the circumference of a circle is 81.64, what is the radius?
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Question 2
2.
If the circumference of a circle is 47.1, what is the diameter?
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Question 3
3.
Using the diagram below, what is the length of Arc AC?
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Question 4
4.
Using the diagram below, what is the measure of Arc AC?
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Question 5
5.
Using the diagram below, what is the length of Arc AC?
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Question 6
6.
Using the diagram below, what is the circumference of the entire circle?
Use the diagram below for the next 2 questions.
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Question 7
7.
What is the circumference of the entire circle?
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Question 8
8.
What is the radius?
Use the diagram below for the next 2 questions.
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Question 9
9.
What is the perimeter of the figure?
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Question 10
10.
What is the area of the figure?
Use the diagram below for the next 2 questions.
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Question 11
11.
What is the perimeter of the figure?
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Question 12
12.
What is the area of the figure?
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Question 13
13.
If a circle has a radius of 6, what is its area?
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Question 14
14.
If a circle has an area of 153.86, what is the radius?
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Question 15
15.
Using the diagram below, what is the area of sector Z?
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Question 16
16.
Using the diagram below, what is the area of sector Z?
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Question 17
17.
Using the diagram below, what is the measure of Arc AC?
Use the diagram below for the next 2 questions.
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Question 18
18.
What is the area of the entire circle?
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Question 19
19.
What is the radius?
Use the following figure for the next two questions.
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Question 20
20.
Find the circumference of the BOLDED circle.
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Question 21
21.
Find the circumference of the UNBOLDED circle.
Use the following figure for the next two questions.