 | Ravi Kumar - 2006 - 152 sider
...and PQ and between the same parallels, AQ and DR, then ar (||gm ABCD) = ar (||gm PQRS). Theorem 3. Triangles on the same base and between the same parallels are equal in area, ie, in two AABC and DBC on the same base BC and between the same parallel lines BC and AD,... | |
 | University of St. Andrews - 1899 - 648 sider
...respectively, find the length of the radius of the inscribed circle. 16. Prove that parallelograms, and also triangles, on the same base and between the same parallels, are equal in area. L and M are two given parallel straight lines, and P and Q two given points. Show how to draw... | |
 | 356 sider
...BDA F-rect. DAXC) = \ rect. BCXY. It follows that (i) The area of a triangle = £ base x height. (ii) Triangles on the same base and between the same parallels are equal in area. (iii) Equal triangles on the same base and the same side of it are between the same parallels.... | |
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... that triangles on the same base and between the same parallels are equal... 
