A circle has a chord that goes from #( 11 pi)/6 # to #(7 pi) / 4 # radians on the circle. If the area of the circle is #120 pi #, what is the length of the chord?
1 Answer
Jun 7, 2017
The length of the chord is
Explanation:
The area of the circle is
Let the radius of the circle be
Then,
The angle subtended by the chord at the centre of the circle is
The length of the chord is