Looking for a challenging algebra text? Preparing for MATHCOUNTS or the AMC exams? Check out Art of Problem Solving's Introduction to Algebra by Richard Rusczyk.
Art
of Problem Solving Animated Proofs Gallery
The
above image illustrates the fact that of all triangles
inscribed in a given triangle, the one with least
perimeter connects the feet of the given triangle.
You can click and drag several of the points in
the diagram - try it and see!
Looking for a challenging geometry text? Preparing for MATHCOUNTS or the AMC exams? Check out Art of Problem Solving's Introduction to Geometry by Richard Rusczyk.
