 | Elias Loomis - Conic sections - 1849 - 252 pages
...Cor., BI). Therefore the line DE divides the line AB into two equal parts at the point C. PROBLEM II. To draw a perpendicular to a straight line, from a given point in that line. Let BC be the given straight line, and A the point given in it; it is required to draw... | |
 | Elias Loomis - Conic sections - 1857 - 242 pages
...construction serves to make a right angle BAD at a given point A, on a given line BC. PROBLEM III. To draw a perpendicular to a straight line, from a given point without it. Let BD be a straight line of unlimited j^ length, and let A be a given point without it. It is required... | |
 | William Ezra Worthen - Architectural drawing - 1857 - 632 pages
...method is useful where the given point is opposite the end of the line, or nearly so. PEOB. VI. — To draw a perpendicular to a straight line from a given point A in that line. 1st Method (fig. 86). — With any radius, from the given point A, in the given line... | |
 | Elias Loomis - Conic sections - 1858 - 256 pages
...Cor., BI). Therefore the line DE divides the line AB into two equal parts at the point C. PROBLEM II. To draw a perpendicular to a straight line, from a given point in that line. Let BC be the given straight line, and A the point given in it; it is required to draw... | |
 | Evan Wilhelm Evans - Geometry - 1862 - 116 pages
...right angles, and CF is perpendicular to AB at the point C (Defs. 2 and 3, Sec. IV.) PROBLEM III. • To draw a perpendicular to a straight line from a given point without. Solution. Let C be the given point without the straight line, AB. From C as a center, with a radius... | |
 | Samuel Alsop - Surveying - 1865 - 440 pages
...cutting in C and D. Join CD cutting AB in E, and the thing is done. (10.1.) Fig. 12. 'o Problem 2. To draw a perpendicular to a straight line from a given point in it. a. When the point is not near the.end. 88. Let AB (Fig. 18) be the line and 0 the given point.... | |
 | Elias Loomis - Geometry - 1871 - 302 pages
...construction serves to make a right angle BAD at a given point A, on a given line BC. PROBLEM III. To draw a perpendicular to a straight line, from a given point without it. Let BD be a straight line of unlimited \ length, and let A be a given point without it. It is required... | |
 | Elias Loomis - Conic sections - 1877 - 458 pages
...18, Cor.). Therefore the line DE divides the line AB into two equal parts at the point C. PROBLEM II. To draw a perpendicular to a straight line from a given point in that line. Let BC be the given straight line, and A the A-if point given in it ; it is required... | |
 | William Henry Harrison Phillips - Geometry - 1878 - 236 pages
...AB, since the two points E and C are equally distant from A and D (I., 31, Cor. 2). XXII. Problem. To draw a perpendicular to a straight line from a given point without that line. Let AB be the given line, and C the point without that line. It is required to draw a perpendicular... | |
 | Daniel Kinnear Clark - Engineering - 1878 - 1064 pages
...problem. The Hne c D is perpendicular to AB : the line c D is also radial to the arc A B. PROBLEM III. — To draw a perpendicular to a straight line, from a given point in that line, Fig. 2. — With any radius, from the given point A, in the line B c, cut the line at... | |
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PROBLEM 2. — To draw a perpendicular to a straight line from a given point in that line. 
