In the following figure: P and Q are the points of intersection of two circles with centres O and O’. If straight lines APB and CQD are parallel to OO’. Prove that(i) OO’ = ½ AB(ii) AB = CD

In the following figure: P and Q are the points of intersection of two

1.	In the following figure: P and Q are the points of intersection of two circles with centres O and O’. If straight lines APB and CQD are parallel to OO’. Prove that(i) OO’ = ½ AB(ii) AB = CD
Answer» In the following figure: P and Q are the points of intersection of two circles with centres O and O’. If straight lines APB and CQD are parallel to OO’. Prove that (i) OO’ = ½ AB (ii) AB = CD