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Hi friend!
Let's see,
Given that:
l || m
So,
ACH = EAC (alt. int. angles)
ACD = DCH (bisected portions)
EAB = BAC (bisected portions)
Since, ACH = EAC,
Angles ACD = DCH = EAB = BAC.
This proved that AB || CD.
Hope you found my answer useful. Keep Smiling!
Let's see,
Given that:
l || m
So,
ACH = EAC (alt. int. angles)
ACD = DCH (bisected portions)
EAB = BAC (bisected portions)
Since, ACH = EAC,
Angles ACD = DCH = EAB = BAC.
This proved that AB || CD.
Hope you found my answer useful. Keep Smiling!
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