[img]https://img.kmf.com/kaomanfen/img/gmat/QQ图片20190406151649.png[img]
What is the radius of the circle above with center O?
(1) The ratio of OP to PQ is 1 to 2.
(2) P is the midpoint of chord AB.
应版权方要求，不支持在线看题功能，感谢您的理解。