関連ワード:  parallel lines corresponding angles are equal    parallel lines corresponding angles are congruent    in parallel lines alternate angles are equal    parallel lines alternate interior angles are congruent    if two lines are parallel corresponding angles are equal    if two lines are parallel corresponding angles are equal true or false    if a transversal intersects two parallel lines then corresponding angles are equal    if corresponding angles are equal lines are parallel    corresponding angles of two parallel lines are equal or supplementary    two parallel lines are cut by transversal prove corresponding angles are equal  
結果 : parallel lines corresponding angles are equal