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A circular arc has measure 15m and is intercepted by a central angle of 78degree . Find the radius of the circle. Do not round any intermediate computations, and round your answ…

A circular arc has measure 15m and is intercepted by a central angle of 78degree . Find the radius of the circle. Do not round any intermediate computations, and round your answ…
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A circular arc has measure 15m and is intercepted by a central angle of 78degree . Find the radius of the circle.

Do not round any intermediate computations, and round your answer to the nearest tenth.

User Techhero
by
8.2k points

1 Answer

4 votes

Answer:


(78)/(360) = (15)/(2\pi * r)


78(2\pi * r) = 5400


r = (450)/(13\pi) = 11.0 \: meters

User ArtSx
by
8.5k points
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