関連ワード:  what is perpendicular to the xy plane    what is parallel to the xy plane    what is parallel to the yz plane    what does perpendicular to the xy plane mean    what does parallel to the xy plane mean    which plane is perpendicular to the yz plane    which axis is perpendicular to xy plane    plane perpendicular to xy plane    equation of plane perpendicular to xy plane    line perpendicular to xy plane  
結果 : what is perpendicular to the xy plane