Z.C. 11. ABCD is a cyclic quadrilateral. BA, CD, produced, meet inP ; and AD, BC, produced, meet in Q. About the triangles ADP,CDQ circles are described ; show that they intersect on PQ. 12. The bisectors of the angles formed by producing opposite pairsof sides of a cyclic quadrilateral are at… … Let ABE, CDF be equal circles, and let AGB, CHDbe i s at the centres, and AEB, CFD L s at the circum-ferences. Then _ AGB : _ CHD = arc AB : arc. CD ;^AEB : /CFD = arc AB : arc CD ;sector AGB : sector CHD = arc AB : arc CD.Let PQ be an arc which is contained m times in AB,and n times in CD. Join…
Geometry · Geometry, Plane
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