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tresset_1 [31]
3 years ago
8

Find the length of an arc of a 8inch radius circle if the arc measures 45 degrees

Mathematics
1 answer:
lidiya [134]3 years ago
4 0
45° is exactly 1/8 of a full circle (45/360 = 1/8) <span>
So the length of the arc would be 1/8 of a full circumference: 
C = 2π r 
C = 2π(8) 
C = 16π 

Take 1/8 of this: 
1/8C = (1/8)16π = 2π 

Answer: 
Exact answer --> 2π inches 
(Approx. answer --> 6.28 inches)</span>
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