Question

please do it...prove it......

Answer 1

in this draw a line LET SAY EF parallel to BA THROUGH E
THEN USING CO INTERIOR ANGLES PROPERTY ..YOU WILL GET..

BAE + FEA = WHOLE ANGLE E + DCE

BAE - DCE = WHOLE ANGLE E (FEC)- FEA

BAE - DCE = FEC - FEA = AEC

BAE - DCE = AEC

Hence proved

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