A circle's center is at (9 ,6 )(9,6) and it passes through (6 ,2 )(6,2). What is the length of an arc covering (5 pi ) /6 5π6 radians on the circle?

1 Answer
Mar 23, 2016

=13 unit=13unit

Explanation:

Radius of the circle R= sqrt((9-6)^2+(6-2)^2)=sqrt25=5R=(96)2+(62)2=25=5
The arc length =Rxx5xxpi/6=5xx5xxpi/6=13 unitR×5×π6=5×5×π6=13unit