A circle's center is at #(9 ,3 )# and it passes through #(2 ,1 )#. What is the length of an arc covering #(2pi ) /3 # radians on the circle?
1 Answer
Nov 22, 2017
Length of arc covering
Explanation:
Distance between two points
Centre
the circle passes. So OP is radius of the circle.
Circumference is
Arc covering
Length of the arc covering