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Area And Circumference
Test Description: Using 3 for pi
Instructions: Answer all questions to get your test result.
1) Find the circumference of a circle with a diameter of 16.
A
not here
B
32
C
48
D
8
2) Find the area of a circle with a radius of 5.
A
75
B
not here
C
30
D
60
3) Find the area of a circle with a diameter of 8.
A
16
B
24
C
48
D
not here
4) Find the circumference of a circle with a diameter of 18.
A
48
B
36
C
not here
D
54
5) Find the area of a circle with a diameter of 20.
A
30
B
not here
C
60
D
300
6) Find the area of a circle with a radius of 6.
A
36
B
24
C
108
D
not here
7) Find the circumference of a circle with a diameter of 12.
A
36
B
108
C
not here
D
144
8) Find the area of a circle with a diameter of 14.
A
28
B
not here
C
147
D
42
9) Which is true about the relationship between a radius and diameter.
A
The radius is half the size of the diameter
B
They are the same size
C
The diameter is 3 times as big as the radius.
D
The radius is twice the size of the diameter.
10) How does a circumference compare to the diameter of a circle?
A
The circumference is about 3 times the size of the diameter.
B
They are the same.
C
The circumference is about half the size of the diameter.
D
The diameter is about 2 times the size of the circumference.
*select an answer for all questions
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