# Sketch Geometry Problem 1322: Triangle, Circles, Mobile
Apps

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In a triangle ABC, X is a point on BC and AY is the bisector of the angle
CAX as shown in the figure. The circumcircle of the triangle ABX cuts AY
at Z. BZ extended meets AC at W. Prove that angle XBZ + angle WXZ = angle
XWY. *This entry contributed by Sumith Peiris, Moratuwa, Sri Lanka.*

## Geometric Art using Mobile Apps

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:

Original problem 1322

Geometry Problems

Geometric Art

iPad

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