div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: 2badt perpendicularidad t6 src=https:reader035fdocumentsecreader035viewer202208150358edf1a31a28abc57b8b467fhtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divpDibujo técnico Sistema diédrico 4 Perpendicularidadp p6pdiv