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