Umm... where are the questions so I could answer them
According to the trigonometric relations in a right triangle, we have:
This the concept of circumference of circle. The arc length will be given by:
C=theta/360*pi*diameter
theta=62
diameter=d
thus the arc length will be:
C=62/360*π*d
C=0.54d
Answer:
Give him a Big hug and be so happy