Q12 of 186 Page 274

In the given figure, LM || CB and LN || CD. Prove that

Given: LM ∥ CB and LN ∥ CD

To prove:


In ∆ AML, LM ∥ CB


∴ By Basic proportionality theorem, we have


……….(i)


In ∆ ALN, LN ∥ CD


∴ By Basic proportionality theorem, we have


……….(ii)


By (i) and (ii), we have



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