Directions: Use your knowledge of radius and diameter to answer each question.
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Question 1
1.
If the radius of a circle is 19, what is the diameter?
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Question 2
2.
If the diameter of a circle is 20, what is the radius?
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Question 3
3.
If the radius of a circle is 15, what is the diameter?
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Question 4
4.
If the radius of a circle is 5.5, what is the diameter?
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Question 5
5.
If the radius of a circle is 12.6, what is the diameter?
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Question 6
6.
If the diameter of a circle is 21, what is the radius?
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Question 7
7.
If the radius of a circle is 12.9, what is the diameter?
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Question 8
8.
If the diameter of a circle is 56, what is the radius?
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Question 9
9.
If the radius of a circle is 93/4, what is the diameter?
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Question 10
10.
If the radius of a circle is 7.93, what is the diameter?
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Question 11
11.
If the diameter of a circle is 234.6, what is the radius?
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Question 12
12.
If the radius of a circle is 16.12, what is the diameter?
Required
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Question 13
13.
Identify the center
Required
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Question 14
14.
Identify the two points that make up the Diameter. (Write answers like this, A and C)
Required
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Question 15
15.
Identify the two points that make up the Radius. (Write answers like this, A and C)
Required
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Question 16
16.
Identify the center
Required
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Question 17
17.
Identify the two points that make up the Diameter.
Required
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Question 18
18.
Identify the two points that make up the Radius.
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Question 19
19.
Identify the center
Required
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Question 20
20.
Identify the points that make up the Diameter.
Required
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Question 21
21.
Identify ONE set of points that could be the radius.
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Question 22
22.
What is the constant of proportionality?
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Question 23
23.
What is the constant of proportionality?
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Question 24
24.
Fill in the table
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Question 25
25.
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Question 26
26.
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Question 27
27.
If Quadrilateral Q is a scaled copy of Quadrilateral P created with a scale factor of 3, what is the perimeter of Q?
…
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Question 28
28.
A scale drawing of a car is presented in the following three scales. Order the scale drawings from smallest to largest. (There are about 1.1 yards in a meter, and 2.54 cm in an inch.)
a. 1 in to 1 ft
b. 1 in to 1 m
c. 1 in to 1 yd
B
C
A
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Question 29
29.
A model airplane is built at a scale of 1 to 72.
If the model plane is 8 inches long, how many feet long is the actual airplane?
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Question 30
30.
Water costs $1.25 per bottle. At this rate, what is the cost of:
