< PREVIOUS PROBLEM | NEXT PROBLEM >

The figure shows a right triangle ABC
with the altitude BD. Lines DE and DF are perpendicular to AB
and BC, respectively, r, r_{1}, and r_{2} are
the inradii of the triangles ABC, AED, and DFC respectively.
Prove that r_{1} + r_{2} = r.

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
22.

Geometry Problems

Ten problems: 21-30

Geometric Art

Geometry for Kids

iPad

Post a
comment