prove that a cyclic parallelogram is arectangle
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the sum of opp sides of cyclic parallelogram is 180 degree.
therofore ,
1+2=180
now,
sum of opp. sides of parallelogram is 180.
1=2
2{1}=180. .....{1=2}
1=90'
hence it is a rectangle
therofore ,
1+2=180
now,
sum of opp. sides of parallelogram is 180.
1=2
2{1}=180. .....{1=2}
1=90'
hence it is a rectangle
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