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Math Quiz Circles
Test Description: Choose the best answer
Instructions: Answer all questions to get your test result.
1) What is the formula for finding the area of a circle
A
pi times r-squared
B
pi times d
C
2 times r
D
pi
2) What is the formula for finding the circumference of a circle
A
pi times r-squared
B
pi
C
pi times d
D
2 times r
3) What is the formula for finding the diameter of a circle
A
2 times r
B
pi times r-squared
C
pi times d
D
pi
4) What is the area of a circle with the diameter of 10 cm
A
74.5
B
78.5
C
70.5
D
72.5
5) What is the area of a circle with the diameter of 6 cm
A
28
B
38
C
18
D
48
6) A circle has a circumference of 22 inches. Find its diameter
A
5
B
7
C
4
D
6
7) A circle has a circumference of 66 inches. FInd its diameter
A
31
B
21
C
42
D
6
8) A circle has a radius of 2. Find the diameter
A
6
B
4
C
8
D
2
9) A circle has a radius of 8. Find its diameter
A
24
B
64
C
16
D
8
10) A cirle has a diameter of 24. Find its radius
A
10
B
12
C
8
D
16
*select an answer for all questions
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