Jamboree Question of the Day - Day 42 , Dec 20th 2010

One of the sides of a triangle that inscribe in a circle is 10. Is the

triangle a right triangle?

(A). Two of the sides of the triangle have the same length.

(B). The circumference of the circle is 10 pi.

Solution (Posted on Dec 21st):

Ans: B

B says diameter is 10. And one of the sides is 10 so it is the diameter. It is S.