Asked by Izzy

Find the arc legnth of Arc AB. Leave your answer in terms of pi.
arc is 45 degrees radius is 5
Answered by Damon
45/360 = .125
or 1/8 of the circumference

circumference = 2 pi r = 2 pi (5) = 10 pi

so 10 pi/8 = (5/4) pi = 1.25 pi
Answered by Izzy
the answers I have to pick from are
6 pie 8 units
3 pi 4 units
9 pi 4 units
9 pi 8 units

so is 9 pi 8 units the answer
Answered by Damon
Well I get 10 pi/8 which is 5 pi/4
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