関連ワード:
a triangle with any two sides equal is called a triangle with no two sides equal is called a triangle with all the sides equal is called a triangle with no two sides equal is called dash triangle a triangle with all the three sides equal is called a triangle with two sides equal is called dash a triangle whose any two sides are equal is called a triangle with no two sides equal is called a scalene triangle a triangle with only two sides equal is called a triangle with no sides equal is called
