A circle has a chord that goes from ( pi)/2 to (2 pi) / 3 radians on the circle. If the area of the circle is 4 pi , what is the length of the chord?

1 Answer
Deepak G.
Jul 29, 2016

=pi/3

Explanation:

Chord has traveled pi/2 to (2pi)/3 radians
or
pi/6radians
=180/6Degrees
=30^@

Circumference of the circle with area=4pi is also 4pi
So Length of the chord can be derived as follows :
360^@ correspond to 4pi
pi/6 radians or 30^@will correspond to (4pi)/360 x30
=pi/3

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