 | 1965 - 232 σελίδες
...depends only on its base and altitude. [Exercises 7 (a) and 7 (6) may now be taken.] Theorem 5 a. (i) Triangles on the same base and between the same parallels are equal in area. (ii) Conversely, if two triangles with equal areas stand on the same side of a common base,... | |
 | University of St. Andrews - 1899 - 648 σελίδες
...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... | |
 | 666 σελίδες
...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... | |
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... that triangles on the same base and between the same parallels are equal... 
