Question

In triangel ABC, A-m-B and A-N-C MN || BC. If AM = 8.4 AN = 6.4 CN = 19.2 find AB.

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Answer 1

Answer:

In ΔABC

∠M=∠B

∠N=∠C

Also, sides AB & AM are in ratio.

So, ΔAMN≅ΔABC

Hence,2

6+2

=5

x+5

x=15.