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Find the length of the arc (AB) Leave your answer in terms of Pi

Find the length of the arc (AB) Leave your answer in terms of Pi-example-1
User Roy Goode
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The formula is L = 2 pi r * (angle measure / 360). We have everything we need to solve this, the angle is 90 and the radius is 12: L = 2 pi (12) (90/360). Do the work inside the parenthesis first to get : L = 2 pi (12)(.25). Solving for L: L = 6pi
User Alanjmcf
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