関連ワード:
a triangle with three different sides is called a triangle with three equal sides is called a triangle with three unequal sides is called a triangle with 3 different sides is called a triangle with 3 equal sides is called a triangle with 3 unequal sides is called a triangle with three equal sides is known as a triangle having three different sides is called a triangle with all three equal sides is called a triangle with 3 different sides in length is called
