関連ワード:
are opposite sides of a triangle equal are opposite sides of isosceles triangle equal are opposite angles of isosceles triangle equal the opposite sides of a triangle are equal in length true or false the opposite sides of a triangle are equal in length the opposite sides of a triangle are equal true or false are diagonals of a triangle equal angles opposite to equal sides of a triangle are equal true or false angles opposite to equal sides of a triangle are equal or not dash opposite to equal sides of a triangle are equal
