1.

In `trianglePQR`, M and N are points on PQ and PR, respectively, such that `bar(MN) || bar(QR)`, If PM =`x`, PR `=x+9, PQ=x+13` and `PN=x-2`, then find `x`.A. 10B. 11C. 13D. 15

Answer» Correct Answer - C
i) Use BPT.
ii) By BPT, `(PM)/(PQ) = (PN)/(PR)`


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