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CBSE Class 9 Answered

In an isosceles triangle, prove that the altitude from the vertex divides the triangle into two congruent triangles..
Asked by Topperlearning User | 10 Aug, 2017, 12:46: PM
answered-by-expert Expert Answer
In triangle PQR, PQ = PR and PS  QR

In PQS and PSR

PQ = PR                                  (given)

PS = PS                                   (common)

PSQ = PSR                     (90o each)

PQS  PSR                    (RHS)

Hence, proved.
Answered by | 10 Aug, 2017, 02:46: PM

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