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3.In fig. AB CD EFIf AC = 5.4, CE= 9, BD= 7.5then find DFCD EFSOL: ABACE

Answer»

AB||CD||EFTherefore,AC/CE=BD/DF (BY Intercept Theorem)5.4/9=7.5/DF5.4×DF=7.5×9DF=(7.5×9)/5.4Therefore,DF=12.5



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