 | Charles Davies - Geometry - 1850 - 218 pages
...E. For, draw the radii AD and BD. Then, in the two triangles ACD, CBD, we have Problems. PROBLEM VI. At a given point in a straight line to erect a perpendicular to the line. Let A be the given point, and BC the given line. From A lay off any two distances, AB... | |
 | Charles Davies - Geometry - 1850 - 238 pages
...AD and BD. Then, in the two triangles ACD, CBD, we have AC=CB, AD=BD BOOK II. Problems. PROBLEM VI. At a given point in a straight line to erect a perpendicular to the line. Let A be the given point, and BC the given line. From A lay off any two distances, AB... | |
 | William Pease - 1856 - 108 pages
...perpendicular. If the operations are correct, these perpendiculars will meet in one point. PROBLEM IX. At a given point in a straight line, to erect a perpendicular, when that point is near the middle of the line. Let AB be the given line, and C the given point. 1.... | |
 | Benjamin Greenleaf - Geometry - 1861 - 638 pages
...CD is a perpendicular passing through the middle of AB (Prop. XV. Cor., Bk. I.). PROBLEM III. 296. At a given point in a straight line to erect a perpendicular to that line. Let AB be the straight line, and let c D be a given point in it. In the straight line... | |
 | Benjamin Greenleaf - Geometry - 1862 - 518 pages
...CD is a perpendicular passing through the middle of AB (Prop. XV. Cor., Bk. I.). PROBLEM III. 296. At a given point in a straight line to erect a perpendicular to that line. Let AB be the straight line, and let C D be a given point in it. In the straight line... | |
 | Evan Wilhelm Evans - Geometry - 1862 - 116 pages
...the diagonals of a parallelogram bisect each other (Theo. XV). Therefore, CD bisects AB. PROBLEM II. At a given point in a straight line, to erect a perpendicular to that line. Solution. Let AB be \F> an indefinite straight line, and C the given point in it. Take... | |
 | Benjamin Greenleaf - Geometry - 1863 - 504 pages
...CD is a perpendicular passing through the middle of AB (Prop. XV. Cor., Bk. I.). PROBLEM III. 296. At a given point in a straight line to erect a perpendicular to that line. Let AB be the straight line, and let Q D be a given point in it. In the straight line... | |
 | Edward Brooks - Geometry - 1868 - 284 pages
...each other in D, and draw CD; it will be the perpendicular required (BI Th. XIV. C. 2). PROBLEM III. At a given point in a straight line to erect a perpendicular to that line. Let AB be the given line, and C the given point. Then, in the line AB take the points... | |
 | Benjamin Greenleaf - Geometry - 1873 - 202 pages
...line CD is a perpendicular passing through the middle of AB (Theo. X. Cor. 2, Bk. I.). PROBLEM III. At a given point in a straight line to erect a perpendicular to that line. Let AB be the straight line, and let DO be a given point in it. In the straight line... | |
 | Benjamin Greenleaf - Geometry - 1874 - 206 pages
...CD is a perpendicular passing through the middle of .•1 B (Theo. X. Cor. 2, Bk. I.). PROBLEM III. At a given point in a straight line to erect a perpendicular to that line. Let .1 B be the straight line, and let DC be a given point in it. In the straight line... | |
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At a given point in a straight line to erect a perpendicular to that line. Let AB be the straight line, and let c D be a given point in it. 
