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givi [52]
3 years ago
5

Please Help me

Mathematics
1 answer:
Sidana [21]3 years ago
4 0

Answer:

C.   0.57 radians.

B.   13.97 ft^2.

Step-by-step explanation:

Length of the arc = radius * c  where c = angle in radians.

4 = 7 * c

c = 4/7 = 0.57 radians


Area of the sector = 1/2 * c * r^2    where r = radius.

= 1/2 * 0.57 * 7^2

=  13.97 ft^2.


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