In ΔABC if DE ∥BC then which of following is wrong ?
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Answer:In △ADE and △ABC
∠ADE=∠ABC (As DE∥BC) Corresponding angles
∠AED=∠ACB (As DE∥BC) Corresponding angles
∠DAE=∠BAC (common angle)
∴△ADE∼△ABC by AAA
⇒ 3/7 = 2 /x
⇒x=4.7cm
Explanation:
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