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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
7
B
28
C
21
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
121cm
B
22cm
C
10cm
D
5.5cm
4) What is the diameter of a circle with a radius of 21in?
A
42in
B
10in
C
10.5in
D
210
5) What is the circumference of a circle with a diameter of 10cm?
A
3.14cm
B
20cm
C
29.4cm
D
31.4 cm
6) What is the circumference of a circle with a diameter of
A
42.39
B
18.84
C
39.27
D
37.68
7) What is the circumference of a circle with a radius of 8cm?
A
25.12
B
30.7
C
50.24
D
49.6
8) What is the area of a circle with a radius of 6cm?
A
37.68cm
B
109.04cm
C
52.9cm
D
113.04cm
9) What is the area of a circle with a diameter of 14 cm?
A
79.04cm
B
153.86cm
C
43.96cm
D
32.05cm
10) What is the area of a circle with a radius of 3cm?
A
14.5cm
B
28.26cm
C
23.02cm
D
29.5cm
*select an answer for all questions
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