ABC is the diameter of a circle with centre O.CD is a chord on the circle equal to the length of radius of the circle.AC and CD is produced to meet at P.Then the measure of angle APB is
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http://img543.imageshack.us/img543/1319/…
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hey just check the question once !!!! whats the need to produce AC and CD when they r actually intersecting at C (common point in both) ..... btw if considering P point to be C, then the answer will b 0 degrees.
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80 degrees