Math question please solve
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draw a line parallel to AB
so angle120
so angle120
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answer
construct line pq parallel to AB passing through c
then
PCB+BCD(60°)=EDC(ALTERNATE ANGLES)
AND
PCB & ABC are suplimentary
so,
ABC+PCB=180
so ABC=180-60=120
construct line pq parallel to AB passing through c
then
PCB+BCD(60°)=EDC(ALTERNATE ANGLES)
AND
PCB & ABC are suplimentary
so,
ABC+PCB=180
so ABC=180-60=120
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