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Find the length of the arc shown in red. Leave your answer in term of pi

Find the length of the arc shown in red. Leave your answer in term of pi-example-1
User Alfunx
by
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1 Answer

22 votes
22 votes

Given

Circle

r: Radius

r = 4ft

s = 360° - 144°

s = 216°

Procedure


\begin{gathered} l=s\cdot r \\ l=216\cdot(\pi)/(180)\cdot4 \\ l=4.8\pi \end{gathered}

The length would be 4.8 pi ft

User Slagathor
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