Quadrilateral, Four Exterior Angle Bisectors,
Semi-sum, Angles. Mobile Apps
In a quadrilateral ABCD, the bisectors of the exterior angles A, B, C, and D intersect at A1, B1, C1, and D1, as shown in the figure below. A1C1 and B1D1 intersect at O, prove that .
Art of Geometry Problem 1243 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.
|
Recent Additions
|