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Area Of Circles And Sectors
Test Description: :)
Instructions: Answer all questions to get your test result.
1) Find the area of a circle with radius 8.
A
16pi
B
8pi
C
4pi
D
64pi
2) Find the area of a circle with diameter 8.
A
64pi
B
8pi
C
16pi
D
4pi
3) Find the area of a circle with radius 3.
A
28.27
B
3pi
C
6pi
D
18.85
4) Find the area of a circle with diameter 3.
A
9.4
B
3pi
C
4.7
D
2.25pi
5) Find the area of a 30* sector of a circle with radius 5.
A
6.5
B
78.5
C
2.6
D
31.4
6) Find the area of a 60* sector of a circle with radius 10.
A
10.5
B
52.3
C
5.2
D
104.7
7) Find the area of a semicircle with diameter 10.
A
39.3
B
78,5
C
157
D
314
8) Find the area of a 90* sector of a circle with diameter 5.
A
4.9
B
19.6
C
9.8
D
7.9
9) Find the area of a 45* sector of a circle with diameter 10.
A
9.8
B
39.3
C
78.5
D
19.6
10) Find the area of a 270* sector of a circle with diameter 5.
A
19.6
B
14.7
C
15.7
D
4.9
*select an answer for all questions
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