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In this triangle DE||BC, AD=4cm, DB=6cm and AE=6cm Then the value of EC is |
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Answer» Answer: 7.5cm Step-by-step EXPLANATION: GIVEN DE∥BC ∴△ADE∼△ABC Thus, by PROPERTY of SIMILAR TRIANGLES, ABAD=ACAE ∴AD+DBAD=AE+ECAE ∴4+64=5+EC5 ∴104=5+EC5 ∴4(5+EC)=50 ∴20+4EC=50 ∴4EC=30 ∴EC=7.5cm |
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