 | Robert Simson - Trigonometry - 1762 - 488 pages
...the angle DEF. Therefore if two ftraight lines, &c. Q-_E. D. PROP. XI. PROB. TI "O draw a ftraight line perpendicular to a plane, from a given point...plane BH ; it is required to draw from the point A a ftraight line perpendicular to the plane BH. In the phn6 draw any ftraight line BC, and from the point... | |
 | Robert Simson - Trigonometry - 1775 - 534 pages
...Therefore, if two ftraight lines, &c. Q^ED b yn c i. Ax. i. 4 8. i. PRO P. XI. PRO B. TO draw a ftraight line perpendicular to a plane, from a given point...plane BH ; it is required to draw from the point A a ftraight line perpendicular to the plane BH. In the plane draw any ftraight line BC, and from the point... | |
 | Robert Simson - Trigonometry - 1781 - 534 pages
...angle DEFTherefore if two ftraight Hues, &c. Q^ ED bi ii. Ax. i. PRO P. XI. PRO B. IO draw a ftfaight line perpendicular to a plane, from a given point above it. Let A be the given point above the plane BII; it is rrquired to draw froin ihe point A a f«raight line perpendicular to the plane BH. In the... | |
 | Euclid - 1781 - 552 pages
...line perpendicular to a plane, from a given point above it. a ii. i. b ni c 31. i. d 4. ii. e 8. n. Let A be the given point above the plane BH ; it is required to draw from the point A a ftraight line perpendicular to the plane BH. In the plane draw any ftraight line BC, and from the point... | |
 | Alexander Ingram - Trigonometry - 1799 - 374 pages
...10 the angle DEF. Therefore, if two ftraight lines, &c. Q^ ED PROP. IX. PROB. £ 1O draw a ftraight line perpendicular to a plane, from a given point...plane BH ; it is required to draw from the point A a ftraight line perpendicular to the plane BH. In the plane draw any ftraight line BC, and from the point... | |
 | Robert Simson - Trigonometry - 1804 - 530 pages
...equal d to the angle DEF. Therefore if two ftraight lines, &c. Q^ED PROP. XI. PROB. TO draw a ftraight line perpendicular to a plane, from a given point...plane BH; it is required to draw from the point A a ftraight line perpendicular to the plane BH. In the plane draw any ftraight line BC, and from the point... | |
 | John Playfair, Euclid - Circle-squaring - 1804 - 468 pages
...equal c to the angle DEF. Therefore, if two ftraight lines, &c. Q^ ED PROP. X. PROB. TO draw a ftraight line perpendicular to a plane, from a given point...plane BH ; it is required to draw from the point A a ftraight line perpendicular to the plane BH. In the plane draw any ftraight line BC, and from the point... | |
 | John Playfair - Mathematics - 1806 - 320 pages
...c 8. 1. ABC is equal0 to the angle DEF. Therefore, if two straight lines, &c. QED l PROP. X. PROB. TO draw a straight line perpendicular to a plane, from, a given point above it. Let A be the givep" point above the plane BH ; it is re- Book II. quired to draw from the point A a straight line... | |
 | Robert Simson - Trigonometry - 1806 - 546 pages
...1. angle ABC is equal a to the angle DEF. straight lines, &c. QED Therefore, if two PROP. XI. PROB. TO draw a straight line perpendicular to a plane, from a given point above it. 9 Let A be the given point above the plane BH ; it is required to draw from the point A a straight... | |
 | Euclid - Geometry - 1810 - 554 pages
...tw» Straight lines, &c. QED i » PROP. XI. PROB. TO draw a straight line perpendicular to a plant , from a given point above it. Let A be the given point...plane BH; it is required to draw from the point A a straight line perpendicular to the plane BH. In the plane draw any straight line BC, and from the point... | |
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To draw a straight line perpendicular to a plane, from a given point above it. Let A be the given point above the plane BH ; it is required to draw from the point A a straight line perpendicular to the plane BH. 
