Answers

2016-03-16T23:53:35+05:30
Accroding to a theorum if a line is bisecting the chord passes through centre then it must perpendicular to each other thereforeline l is perpendicular to both chord ab and cd 90+90=180 but they are angles on the same side of transversal therefore both chord ab and cd are paralel to each other



i hope u understand.................
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