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Circles
Test Description: Circles
Instructions: Answer all questions to get your test result.
1) What is the radius of a circle of the diameter is 14?
A
28
B
21
C
7
D
8
2) What is the diameter of a circle of the radius is 9 inches?
A
81
B
10
C
18
D
4.5
3) What is the radius of a circle with a diameter of 11 cm?
A
10cm
B
121cm
C
5.5cm
D
22cm
4) What is the diameter of a circle with a radius of 21in?
A
42in
B
10.5in
C
210
D
10in
5) What is the circumference of a circle with a diameter of 10cm?
A
31.4 cm
B
20cm
C
3.14cm
D
29.4cm
6) What is the circumference of a circle with a diameter of
A
37.68
B
39.27
C
18.84
D
42.39
7) What is the circumference of a circle with a radius of 8cm?
A
50.24
B
49.6
C
30.7
D
25.12
8) What is the area of a circle with a radius of 6cm?
A
109.04cm
B
37.68cm
C
113.04cm
D
52.9cm
9) What is the area of a circle with a diameter of 14 cm?
A
153.86cm
B
32.05cm
C
79.04cm
D
43.96cm
10) What is the area of a circle with a radius of 3cm?
A
14.5cm
B
29.5cm
C
23.02cm
D
28.26cm
*select an answer for all questions
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