 | International Correspondence Schools - 1900 - 720 σελίδες
...24 : 8 = 18 : .r. From the first, x=1 and from the second, .r = 6. Ans. 717. If a straight line is drawn through two sides of a triangle parallel to the third side, it divides those sides proportionally. Thus, in Fig. 41, let the line DE be drawn parallel to the side... | |
 | 1900 - 728 σελίδες
...21:.r, and 24:8 = 18:.r. From the first, x=V and from the second, x = 6. Ans. 717. If a straight line is drawn through two sides of a triangle parallel to the third side, it divides those sides proportionally. Thus, in Fig. 41, let the line DE be drawn parallel to the side... | |
 | International Correspondence Schools - 1901 - 630 σελίδες
...ABC, Fig. 26, equals 30', what does the angle B equal ? SOLUTION.— 90° - 30° = 60'. Ans. •j* 57. If a straight line be drawn through two sides...be drawn parallel to the side BC, the triangle FIG. 37. AD £ will be formed and we shall have (1) Side AD : side DE = side AB : side BC ; and, (2) Side... | |
 | International Correspondence Schools - 1902 - 794 σελίδες
...— If one acute angle, as si, of the right triangle ABC, Fig. 26. equals 30', what dues the angle 11 equal ? SOLUTION.— 90" - 30° — 60'. Ans. 57....FIG. 27. ADE will be formed and we shall have (1) vSide AD : side DE = side AB : side BC ; and, (2) Side AE : side DE = side AC : side BC ; also, (3)... | |
 | 1902 - 880 σελίδες
...circle or in equal circles equal chords are equally distant from the center. 3 Prove that if a line is drawn through two sides of a triangle parallel to the third side, it divides those sides proportionally, when the segments are incommensurable. 4 State the proportion... | |
 | 1902 - 780 σελίδες
...circle or in equal circles equal chords are equally distant from the center. 3 Prove that if a line is drawn through two sides of a triangle parallel to the third side, it divides those sides proportionally, when the segments are incommensurable. 4 State the proportion... | |
 | George Albert Wentworth - 1902 - 248 σελίδες
...its consequent. 338. Like powers of the terms of a proportion are in proportion. 342. If a line is drawn through two sides of a triangle parallel to the third side, it divides those sides proportionally. 343. One side of a triangle is to either part cut off by a straight... | |
 | International Correspondence Schools - 1904 - 656 σελίδες
...EXAMPLE.— If one acute angle, as A, of the right triangle ABC, Fig. 26, equals 30", what does the angle B equal ? SOLUTION.— 90° — 30' = 60°. Ans. 57....the triangle ABC, Fig. 27, if the line DE be drawn i parallel to the side BC, the triangle FIG. .K. ADE will be formed and we shall have (1) Side AD :... | |
 | George Albert Wentworth - 1904 - 496 σελίδες
...quantities must be of the same kind. BOOK III. PLANE GEOMETRY. PROPOSITION XIII. THEOREM. 342. If a line-is drawn through two sides of a triangle parallel to the third side, it divides those sides proportionally.' FIG. 1. Flo. 2. In the triangle ABC, let EF be drawn parallel... | |
 | 1909 - 870 σελίδες
...corresponding sides parallel, they are similar, and AB : CE = BD : DC; or *" Pro. 57 66. If a straight line is drawn through two sides of a triangle parallel to the third side, it divides those sides proportionally. Thus, let the line DE be drawn parallel to the side BC in the... | |
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If a straight line is drawn through two sides of a triangle parallel to the third side, it divides these sides proportionally. 
