 If, at a point in a straight line, two other straight lines, upon the opposite sides of it, make the adjacent angles together equal to two right angles, these two straight lines shall be in one and the same straight line.  A Text-book of Geometrical Deductions - Page 136by James Andrew Blaikie, William Thomson - 1891Full view - About this book
 | Euclides, Frederick Burn Harvey - Geometry - 1880 - 178 pages
...lines, upon opposite sides of it, make the adjacent angles together equal to two right angles, then these two straight lines shall be in one and the same straight line. At the point B, in the straight line AB, let the two straight lines BC and BD, on opposite sides of... | |
 | T S. Taylor - 1880 - 152 pages
...lines, on the opposite sides of it, make the adjacent angles together equal to two right angles, those two straight lines shall be in one and the same straight line. The same, in tabular form : GIVEN. REQUIRED. a. A straight line. b. A point in it. c. Two other straight... | |
 | Education, Higher - 1883 - 536 pages
...point in a straight line two other straight lines on the opposite sides of it make the adjacent angles together equal to two right angles, these two straight...lines shall be in one and the same straight line. 4. ABCD is a quadrilateral, of which AD is the longest side and BC the shortest ; shew that angle ABC... | |
 | Moffatt and Paige - 1881 - 176 pages
...lines, upon the opposite sides of it, make the adjacent angles together equal to two right angles ; then these two straight lines shall be in one and the same straight line. 3. If two triangles have two sides of the one equal to two sides of the other, each to each, but the... | |
 | Marianne Nops - 1882 - 278 pages
...in a straight line two other straight lines, on the opposite sides of it, make the adjacent angles together equal to two right angles, these two straight...lines shall be in one and the same straight line. At point B, in the straight line AB, let the two straight lines BC, BD on the opposite sides of AB... | |
 | College of preceptors - 1882 - 528 pages
...point in a straight line two other straight lines on the opposite sides of it m;ike the adjacent angles together equal to two right angles, these two straight...lines shall be in one and the same straight line. For which subsequent proposition in the 1st Book is the proposition set in this question used in its... | |
 | Education, Higher - 1882 - 498 pages
...straight lines upon opposite sides of it make the adjacent angles together equal to two right angles, then these two straight lines shall be in one and the same straight line. 5. Is it ever possible for two lines to make with a third two angles equal to two right angles, and... | |
 | Joseph Hughes - Education - 1883 - 568 pages
...lines, upon the opposite sides of it, make the adjacent angles together equal to two right angles ; then these two straight lines shall be in one and the same straight line. Prop. 14, Bk. I. Needlework. FEMALES. One hour allowed for this Exercise. Music. A quarter of an hour... | |
 | Education - 1883 - 654 pages
...lines, upon the opposite sides of it, make the adjacent angles together equal to two right angles ; then these two straight lines shall be in one and the same straight line. Prop. 14, Bk. I. Needlework. FEMALES. Ont hour allowed for this Exercise. Music. A quarter of an hour... | |
 | Euclides - 1883 - 176 pages
...lines, on the opposite sides of it, make the adjacent angles together equal to two right angles, the two straight lines shall be in one and the same straight line. Given CB and BD meeting AB on opposite sides of it, making L ABC + L ABD = 2 Lr-s. To prove CB and... | |
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