Purchasing the correctly sized BMX bike is based on the height of the rider. In order to fit a customer, the salesman can use th
e equation b=0.29h+1.35 where b is the size of the BMX bike frame in inches and h is the height of the rider in inches.
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Formula to find the arc length is:
Where, s= arc length,
r = radius of the circle
\theta = central angle in degrees.
According to the given problem, \theta= 150 and r =2.4.
So, first step is to plug in these values in the above formula to get the arc length.
=
So, arc length is .