The figure
below shows a parallelogram ABCD of area
S with an exterior point E. If S_{1}, S_{2}, S_{3},
and S_{4}, are the areas of triangles EAB, EBC, ECD, and
EAD, respectively, prove that S_{1} + S_{3} = S_{4}
- S_{2} = S/2.

See also:

Original problem
1381.

Conformal Mapping or Transformation of Problem
1381

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.

Geometry Problems

Ten problems: 1381-1390

Geometric Art

iPad

Post a
comment