 | Education Department - 1879 - Liczba stron: 1118
...bisects it. If the diagonal also bisects the angles, show that the parallelogram is a rhombus. 2. Show that triangles on the same, base and between the same parallels are equal to each other. Hence show that a trapezium is equal in area to a triangle whose vertical height is... | |
 | Liczba stron: 140
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 | Liczba stron: 356
...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.... | |
 | 1904 - Liczba stron: 500
...opinion of the speaker, should be given to boys as soon as they reach Euc. I. 35, 37 [parallelograms (triangles) on the same base, and between the same parallels, are equal to one another], and they then get for commensurable bases Euc. VI. 1 [triangles and parallelograms... | |
 | 1891 - Liczba stron: 856
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 | Liczba stron: 666
...ABCF)= Ar. (A BCE) + Ar.( quad. ABCF) => Area of square ABCD = Area of parallelogram ABEF Theorem 19.2 Triangles on the same base and between the same parallels are equal in area. Given : Triangles ABC and ABD on the same base AB and between the same parallels, AB parallel... | |
 | Ravi Kumar - 2006 - Liczba stron: 152
...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,... | |
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... that triangles on the same base and between the same parallels are equal... 
