13. In Fig. LM II CB; and LN II CD.Prove that:AM ANAB AD – InterviewSolution

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13. In Fig. LM II CB; and LN II CD.Prove that:AM ANAB AD

Answer»

By Thales theorem or basic propositionality Theorem

IN∆ABCLM||BC so by B.P.TAL/AC=AM/AB-----------(1)

IN∆ADC

AL/LC=AN/AD------(2)from equation 1 &2 L.H.S is same so R.H.S will also same.soAM/AB=AN/AD

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