...two ways : The 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,...

...equals an angle 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...

...2 is the mean 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...

...the sides CD and 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...

...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?...

...definite line. The projection of AB is CD ; of US is BT ; of LM is Nil. PROPOSITION XXXVI. THEOREM 331. If in a right triangle a perpendicular is drawn from the vertex of the right angle upon the hypotenuse : I. The triangles formed are similar to the given triangle and similar to each...

...if^:^ a jie a«M*. • *i.- " -X -- v? rr * A ^h 434. Theorem. In any right triangle, if the altitude is drawn from the vertex of the right angle to the hypotenuse: (1) The two triangles thus formed are similar to the given triangle and to each other. (2) The altitude...

....-. the perimeters have the same ratio as any two corresponding sides. PROPOSITION XVII. THEOREM 323. If in a right triangle, a perpendicular is drawn from the vertex of the right angle to the hypotenuse, then: (I) The two triangles thus formed are similar to each other, and to the whole triangle. (III)...

...their sides are parallel each to each, or perpendicular each to each. 310. (3) In a right triangle, if a perpendicular is drawn from the vertex of the right angle to the hypotenuse, each leg is the mean proportional between the whole hypotenuse and the adjacent segment. 313. A perpendicular...

...can be decomposed into the same number of triangles similar, each to each, and similarly placed. 319. If, in a right triangle, a perpendicular is drawn...from the vertex of the right angle to the hypotenuse, II. The perpendicular is the mean proportional between the segments of the hypotenuse ; III. Each leg...