関連ワード:
a triangle with three equal angles is called a triangle with three equal sides is called a triangle with three equal sides is called dash a triangle with three equal sides is known as a triangle with all three equal sides is called a triangle with three angles equal in size is called a triangle that has three equal angles is called a triangle with three equal sides is called equilateral triangle a triangle with 3 equal angles is called a triangle with all three sides equal is called dash
