Asked by Taylor
Find the arc length corresponding to an angle of a degrees on a circle radius of 4.9
Enter the exact answer.
I put the arc length was 4.9api/180
got it wrong. Any help?
Enter the exact answer.
I put the arc length was 4.9api/180
got it wrong. Any help?
Answers
Answered by
Reiny
circumf = 2πr = 2π(4.9) = 9.8π
so 360° of arc = 9.8π units
and 1° of arc length = 9.8π/360
= 49π/1800 units
Maybe they didn't like your decimal, but your answer is correct
so 360° of arc = 9.8π units
and 1° of arc length = 9.8π/360
= 49π/1800 units
Maybe they didn't like your decimal, but your answer is correct
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