関連ワード:
does a square have a diagonal line of symmetry does a square have a diagonal does a square have diagonals that bisect each other does a square have diagonals that are perpendicular does a square have diagonals that are congruent does a square have diagonals of equal length does a square have diagonals that bisect opposite angles does a square have diagonals that bisect angles does a square have diagonals that are perpendicular and congruent does a square have diagonals that are perpendicular to each other
