A circle has a chord that goes from #pi/4 # to #(3 pi) / 8 # radians on the circle. If the area of the circle is #81 pi #, what is the length of the chord?
1 Answer
Nov 17, 2017
The length of the chord is
Explanation:
Formula for the length of a chord is
where
subtended at the center by the chord. Area of circle is
The length of the chord is