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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 d
B
pi
C
2 times r
D
pi times r-squared
2) What is the formula for finding the circumference of a circle
A
2 times r
B
pi times r-squared
C
pi
D
pi times d
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
78.5
B
74.5
C
72.5
D
70.5
5) What is the area of a circle with the diameter of 6 cm
A
38
B
18
C
48
D
28
6) A circle has a circumference of 22 inches. Find its diameter
A
6
B
5
C
4
D
7
7) A circle has a circumference of 66 inches. FInd its diameter
A
21
B
6
C
31
D
42
8) A circle has a radius of 2. Find the diameter
A
8
B
2
C
4
D
6
9) A circle has a radius of 8. Find its diameter
A
24
B
16
C
64
D
8
10) A cirle has a diameter of 24. Find its radius
A
12
B
8
C
16
D
10
*select an answer for all questions
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