Prove that all angles of a triangle are 180degree
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take a triangle mark ABC
now marks all 3 angles as x. x x
x+x+x=180
3x=180
x=60
now place x=60
your sum of triangle will be 180
60+60+60=180
hence proved
you can watch videos on youtube
now marks all 3 angles as x. x x
x+x+x=180
3x=180
x=60
now place x=60
your sum of triangle will be 180
60+60+60=180
hence proved
you can watch videos on youtube
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