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7 - 8.1 Activity
Test Description: 8.1 Activity
Instructions: Answer all questions to get your test result.
1) Find the circumference of a circle with a radius of 3.
A
4.71
B
9.42
C
7.71
D
18.84
2) Find the circumference of a circle with a radius of 14.
A
89.24
B
43.96
C
87.92
D
35.98
3) Find the circumference of a circle with a radius of 5.
A
78.5
B
31.4
C
12.85
D
15.7
4) Find the circumference of a circle with a diameter of 3.
A
4.71
B
9.42
C
18.84
D
7.71
5) Find the circumference of a circle with a diameter of 14.
A
35.98
B
87.92
C
89.24
D
43.96
6) Find the circumference of a circle with a diameter of 5.
A
31.4
B
15.7
C
12.85
D
78.5
7) Find the perimeter of a semicircle with a diameter of 22.
A
47.08
B
34.54
C
69.08
D
56.54
8) Find the perimeter of a semicircle with a radius of 4.
A
16.56
B
25.12
C
21.12
D
12.56
9) Find the perimeter of a semicircle with a diameter of 10.
A
15.7
B
25.7
C
31.4
D
41.4
10) Find the diameter of a circle with a radius of 15.
A
7.5
B
30
C
15
D
10
11) Find the diameter of a circle with a radius of 2.
A
8
B
4
C
2
D
6
12) Find the diameter of a circle with a radius of 16.
A
32
B
4
C
8
D
64
13) Find the radius of a circle with a diameter of 10.
A
10
B
20
C
5
D
40
14) Find the radius of a circle with a diameter of 24.
A
36
B
48
C
24
D
12
15) Find the radius of a circle with a diameter of 7.
A
14
B
7
C
28
D
16
*select an answer for all questions
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