The length of arc APC in the circle is equal to 9.42 meters.
What is arc?
Arc is a part of circumference of circle. The formula of calculating the length of an arc is equal to 2πr(θ/360) where θ is the central angle between the two radius from two ends of arc.
How to calculate length of arc?
We have been given that radius of circle is 9 m and the angle between radius AP and AB is 120° and the angles between PA and PC is 60° and we have to calculate the length of arc APC.
We know that length of an arc is equalto 2πr(θ/360 )
length of arc APC=2*3.14*(60/360)
=9.42m
Hence the length of arc APC is 9.42m if the radius of circle is 9m.
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Question is wrong and the right question is as under:
Find the length of arc APC.
