 | Wooster Woodruff Beman, David Eugene Smith - Geometry - 1895 - 344 pages
...Z; an(ia = 2 d, how large is each of the other angles ? 94. If a transversal outs two lines making the sum of the two interior angles on the same side of the transversal a straight angle, one of them being 30° 27', how large is each of the other angles ? Theorem 16. If... | |
 | Wooster Woodruff Beman, David Eugene Smith - Geometry - 1895 - 346 pages
...Z> an1l a = 2 d, how large is each of the other angles ? 94. If a transversal cuts two lines makmg the sum of the two interior angles on the same side of the transversal a straight angle, one of them being 30° 27', how large is each of the other angles ? 95. If a transversal... | |
 | Adelia Roberts Hornbrook - Geometry - 1895 - 224 pages
...degrees are there in the sum of dand/? 120. When two parallel lines are crossed by a transversal, what is the sum of the two interior angles on the same side of the transversal ? PRINCIPLE 15. — When two parallels are cut by a, transversal, the sum of the interior angles on... | |
 | George Albert Wentworth - Mathematics - 1896 - 68 pages
...these two straight lines are parallel. 109. If two parallel lines are cut by a third straight line, the sum of the two interior angles on the same side of the transversal is equal to two right angles. 110. When two straight lines are cut by a third straight line, if the two interior angles... | |
 | Andrew Wheeler Phillips, Irving Fisher - Geometry - 1896 - 276 pages
...Proposition V. PROPOSITION XI. THEOREM 47. If two parallel lines are cut by a third straight /ine, the sum of the two interior angles on the same side of the cutting line is two right angles. [Converse of Proposition IX.J o/ B A& D GIVEN—AB and CD parallel... | |
 | Andrew Wheeler Phillips, Irving Fisher - Geometry - 1896 - 554 pages
...preceding figure. PROPOSITION XI. THEOREM 47. If two parallel lines are cut by a third straight line, the sum of the two interior angles on the same side of the cutting line is two right angles. [Converse of Proposition IX. J V. GIVEN — AB and CD parallel... | |
 | George Washington Hull - Geometry - 1897 - 408 pages
...two lines is equal to four right angles. 22. If two straight lines are cut by a third line, making the sum of the two interior angles on the same side of the transversal less or greater than two right angles, the lines are not parallel. 23. The shortest line that can be... | |
 | James Howard Gore - Geometry - 1898 - 232 pages
...EXERCISES. 1. Prove that the alternate-exterior angles are equal, or Z EGA = Z DHF, or Z EGB = Z ClIF. 2. Prove that the sum of the two interior angles on the same side of the cutting line, or transversal, are equal to two right angles. SUGGESTION. /.AGH= Z GHD ; add Z GHC.... | |
 | Webster Wells - Geometry - 1898 - 284 pages
...figure are equal ? 76. Cor. II. If two parallels are cut by a transversal, the sum of the interior angles on the same side of the transversal is equal to two right angles. (Fig. of Prop. XXI.) Given IIs AB and CD cut by transversal EF at points G and H, respectively.... | |
 | William James Milne - Geometry - 1899 - 404 pages
...when cut by a transversal the corresponding angles are equal. § 77 d. If when cut by a transversal the sum of the two interior angles on the same side of the transversal is equal to two right angles. § 79 e. If both are parallel to a third line. § 80 /. If they are the bases of a trapezoid.... | |
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If two parallel lines are cut by a third straight line, the sum of the two interior angles on the same side of the transversal is equal to two right angles, (p. 
