Circles P and Q cut at A and B. C is a point on circle P.
CA extended cuts circle Q at D and CB cuts circle Q at E.
AE extended cuts circle P at F and CF cuts DE extended at G.
FB extended cuts circle Q at H.
Prove that
(1) B,E,G,F are concyclic points; (2)
ED = EH.
This entry contributed by Sumith Peiris, Moratuwa, Sri Lanka.

Art of Geometry Problem 1239 using Mobile Apps. Circle Patterns.
Geometric art is a form of art based on the use and application of geometric figures. A geometric figure is any set or combination of points, lines, surfaces and solids.
A mobile app or mobile application software is a computer program designed to run on smartphones and tablet computers.
See also
the
kaleidoscope of problem 1239.
Art of Geometry Problem 1145 in Motion
Click on the figure below.
Home

Search  Geometry

Problems 
All
Problems 
Open Problems

Visual Index

10 Problems

Problems Art Gallery

Art 
12311240

Intersecting Circles

Circle

Secant

Concyclic
Points 
Geometric Art: Mobile Apps

Email
Post or view a solution to the problem 1239
Last updated: Jul 28, 2016
