Posted by Izzy on Saturday, May 4, 2013 at 7:52pm.
Find the arc legnth of Arc AB. Leave your answer in terms of pi.
arc is 45 degrees radius is 5

geomerty  Damon, Saturday, May 4, 2013 at 8:03pm
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

geomerty  Izzy, Saturday, May 4, 2013 at 8:08pm
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

geomerty  Damon, Saturday, May 4, 2013 at 8:13pm
Well I get 10 pi/8 which is 5 pi/4
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