A circle's center is at #(9 ,3 )# and it passes through #(2 ,6 )#. What is the length of an arc covering #(2pi ) /3 # radians on the circle?
1 Answer
Jun 3, 2018
Explanation:
Arc length is given by:
Where
We first need to find the radius of the given circle. Since the distance from the centre of a circle to any point on its circumference is the radius, we find the distance from:
Using the distance formula:
Using