Question

Which is a scalene triangle?

A triangle. Each side has a single slash mark indicating all are congruent. Each angle measures sixty degrees.

A triangle. One side has a single slash mark the second has a double slash mark and the third has a triple slash mark indicating no sides are congruent. One angle measures ninety degrees.

A triangle. Two sides have single slash marks indicating those two sides are congruent. One angle measures one hundred thirty degrees.

Answer 1

This would be better suited for Google

http://www.mathsisfun.com/triangle.html