A circle has a chord that goes from ( 5 pi)/4 to (4 pi) / 3 radians on the circle. If the area of the circle is 64 pi , what is the length of the chord?
1 Answer
Apr 15, 2018
The length of the chord is
Explanation:
Original Drawing
Calculate the radius of the circle from the area of the circle.
area of circle =
Now calculate the coordinates of the endpoints of the chord.
Let's represent the coordinates for the endpoint at
, the coordinates for the endpoint at
The length,