 | Elias Loomis - 1849 - 252 pàgines
...of the other two, and the three planes are perpendicular to each other. PROPOSITION VII. TIIEOEEM. If two planes are perpendicular to each other, a straight line drawn in one of them perpendicular to their common section, will be perpendicular to the other plane. For in the plane MN, draw CD through the... | |
 | Elias Loomis - 1857 - 242 pàgines
...to the plane of the other two, and the three planes are perpendicular to each other. PROPOSITION VII THEOREM. If two planes are perpendicular to each other,...straight line drawn in one of them perpendicular to their common section, will be perpendicular to the other plane. Let the plane AE be perpendicular to the... | |
 | Elias Loomis - 1858 - 256 pàgines
...to the plane of the other two, and the three planes are perpendicular to each other. PROPOSITION VII THEOREM. If two planes are perpendicular to each other,...straight line drawn in one of them perpendicular to their common section, will be perpendicular to the other plane. Let the plane AE be perpendicular to the... | |
 | Benjamin Greenleaf - 1862 - 532 pàgines
...other two, and the three planes are perpendicular to each other. PROPOSITION VIII. — THEOREM. 412. If two planes are perpendicular to each other, a straight...line drawn in one of them, perpendicular to their common section, will be perpendicular to the other plane. Let AC, MN be two planes perpendicular to... | |
 | Benjamin Greenleaf - 1862 - 518 pàgines
...other two, and the three planes are perpendicular to each other. PROPOSITION VIII . — THEOREM . 412. If two planes are perpendicular to each other, a straight...line drawn in one of them, perpendicular to their common section, will be perpendicular to the other plane. Let AC, MN be two planes perpendicular to... | |
 | Benjamin Greenleaf - 1863 - 504 pàgines
...other two, aud the three planes are perpendicular to each other. PROPOSITION VIII. — THEOREM. 412. If two planes are perpendicular to each other, a straight...line drawn in one of them, perpendicular to their common section, will be perpendicular to the other plane. Let AC, MN be two planes perpendicular to... | |
 | Benjamin Greenleaf - 1868 - 340 pàgines
...two, and the three planes are perpendicular to each other. PROPOSITION VIII. — THEOREM. • 412. If two planes are perpendicular to each other, a straight...line drawn in one of them, perpendicular to their common section, will be perpendicular to the other plane. BOOK VII. For, in the plane MN, draw EF,... | |
 | Adrien Marie Legendre - 1871 - 490 pàgines
...plane passed through the line will also be perpendicular to that plane. Let AP be perpendicular to the plane MN, and let BF be a plane passed through...each other, and let the line AP, drawn in the plane BF, he perpendicular to the intersection BC ; then will AP be perpendicular to the plane MN. For, in... | |
 | Elias Loomis - 1871 - 302 pàgines
...to the plane of the other two, and the three planes are perpendicular to each other. PROPOSITION VII THEOREM. If two planes are perpendicular to each other,...straight line drawn in one of them perpendicular to their common section, will be perpendicular to the other plane. BOOK VII. For in the plane MN, draw CD Inrough... | |
 | William Chauvenet - 1871 - 380 pàgines
...other two, and the three planes are perpendicular to each other. / PROPOSITION XVIII.— THEOREM. 49. If two planes are perpendicular to each other, a straight...one of them, perpendicular to their intersection, is perpendicular to the other. Let the planes PQ and MN be perpendicular to each other ; and at any... | |
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If two planes are perpendicular to 'each other, a straight line drawn in one of them, perpendicular to their intersection, will be perpendicular to the other. 
