A circle has a chord that goes from 4π3 to 17π12 radians on the circle. If the area of the circle is 27π, what is the length of the chord?

1 Answer
Aug 13, 2016

=1.36

Explanation:

A chord that goes from 4π3to 17π12
so it travels the distance 17π124π3=π12;
or
π12÷2π=124 of the Circumference of the Circle
Area of the Circle=πr2=27π
or
r2=27
or
r=27
or
r=5.2
Circumference of the circle=2πr=2(π)(5.2)=32.67
Therefore Length of the chord=32.67×124=1.36