plz answer in thefigure AD is parallel to be and AC is parallel to DE , finda and b
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HEY! UR ANSWER IS:
b=55° as DE is parallel to AC
a=180-60=120°
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angle C = E (co-orresponding angles)
therefore b=55°
angle a+60°=180° (linear pair)
a=180°-60°=120°
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