 If the sides of a convex polygon are produced in order, the sum of the angles so formed is equal to four right angles.  Calendar - Page 118by University of Calcutta - 1908Full view - About this book
 | 102 pages
...angle so formed is equal to the sum of the two interior opposite angles. (p. 37.) FACT G [Th. i. 9]. If the sides of a convex polygon are produced in order, the CONGRUENT TRIANGLES: FACT H [Th. i. 10]. If two triangles have two sides of the one equal to two sides... | |
 | University of Bombay - 1916 - 654 pages
...parallel to one other. Trianglet and Rectilinear Figures. The mm of the angles of a triangle is eqvial to two right angles. If the sides of a convex polygon are prodaced in order, the sum of the angles so formed is equal to four right angles. If two triangles... | |
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