| Webster Wells - Geometry - 1908 - 329 pages
...of § 249, 052 = AD X BD, AC2 = ABx AD, and BC2 = AB x BD. (?) Hence, if a perpendicular be draivn from the vertex of the right angle to the hypotenuse of a right triangle, 1. The square of the perpendicular is equal to the product of the segments of the hypotenuse. 2. The... | |
| George Albert Wentworth, David Eugene Smith - Geometry, Plane - 1910 - 287 pages
...Therefore the polygons are similar, by § 282. QED PROPOSITION XX. THEOREM 294. If in a right triangle a perpendicular is drawn from the vertex of the right angle to the hypotenuse: 1. The triangles thus formed are similar to the given triangle, and are similar to each other. 2. The... | |
| Geometry, Plane - 1911 - 192 pages
...second. When are the two bisectors parallel? When perpendicular? 2. Prove that if in a right triangle a perpendicular is drawn from the vertex of the right angle to the hypotenuse, the perpendicular is a mean proportional between the segments of the hypotenuse. Prove that if the... | |
| David Eugene Smith - Geometry - 1911 - 360 pages
...measure most of the heights and distances in which he is interested. THEOREM. If in a right triangle a perpendicular is drawn from the vertex of the right angle to the hypotenuse : 1. The triangles thus formed are similar to the given triangle, and are similar to each other. 2.... | |
| Clara Avis Hart, Daniel D. Feldman - Geometry - 1912 - 504 pages
...sides of the angle, an angle is formed which is equal to the given angle. Ex. 219. In a right triangle if a perpendicular is drawn from the vertex of the right angle to the hypotenuse, the right angle is divided into two angles which are equal respectively to the acute angles of the... | |
| George Albert Wentworth - 1913 - 296 pages
...7. 9. a = 11, b = 21. 4. a = 1, i = 6. 4. a = 7,1 = 11. 10. a = 13, 6 = 29. 11. In a right triangle, if a perpendicular is drawn from the vertex of the right angle to the hypotenuse, as shown in the figure, then, as in § 165, - = т- If o = 1.3 and 6 = 4, what is the length of p?... | |
| Walter Burton Ford, Earle Raymond Hedrick - Geometry, Modern - 1913 - 272 pages
...DB, we obtain AD/CD — CD/DB, which was to be proved. 163. Corollary 2. If, in any right triangle, a perpendicular is drawn from the vertex of the right angle to the hypotenuse, each side of the right triangle is the mean, proportional between the hypotenuse and the segment adjacent... | |
| Walter Burton Ford, Charles Ammerman - Geometry, Solid - 1913 - 176 pages
...of the other and the including sides are proportional. 161. Theorem VIII. If, in any right triangle, a perpendicular is drawn from the vertex of the right angle to the hypotenuse, the two right triangles thus formed are similar to each other and to the given triangle. 162. Corollary... | |
| Walter Burton Ford, Charles Ammerman - Geometry, Plane - 1913 - 378 pages
...proportional between 1 and 4, since we have 1/2 = 2/4. 161. Theorem VIII. If, in any right triangle, a perpendicular is drawn from the vertex of the right angle to the hypotenuse, the two right triangles thus formed are similar to each other and to the given triangle. Given the... | |
| George Albert Wentworth, David Eugene Smith - Geometry - 1913 - 496 pages
...perimeters of two similar polygons have the same ratio as any two corresponding 11. If in a right triangle a perpendicular is drawn from the vertex of the right angle to the hypotenuse, state three geometric truths that follow. 12. If two secants intersect outside, on, or within a circle,... | |
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