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17. ABCD is a parallelogram. The sides AB, ADare produced to E, F so that AB = BE and AD =DF. Prove that the triangles BEC and DCF arecongruent..... please answer ASAP .... |
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Answer» Given: in a Parallelogram ∠BAD = ∠CDF in Parallel Lines (CONGUGATE ANGLES) ∠EBC = ∠BAD So, ∠BAD = ∠CDF = ∠EBC To Prove : ΔBEC ≅ ΔDCF Proof : Side -> EB = CD Angle -> ∠CDF = ∠EBC Side -> BC = DF Hence, Through SAS ΔBEC ≅ ΔDCF |
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