CBSE Class 9 Answered
If 2 isoceles triangles have a common base prove that the line joining their vertices bisects them
Asked by masara | 23 Dec, 2009, 12:13: AM
Expert Answer
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 | 23 Dec, 2009, 09:51: AM
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