If 2 isoceles triangles have a common base prove that the line joining their vertices bisects them

Asked by masara | 23rd Dec, 2009, 12:13: AM

Expert Answer:


ABD and CBD are isosceles triangles with base BD . We have to prove that AC bisects the base at right angles

In Quadrilateral ABCD Pair of adjacent sides is equal and ABC =ADC so ABCD is a kite. So diagonal BD is bisected at  right angles by AC.

Answered by  | 23rd Dec, 2009, 09:51: AM

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