Circles inside a rectangle
Source: Cono Sur Olympiad, 1995, Problem 3
May 28, 2006
geometryrectanglequadraticsalgebracono sur
Problem Statement
Let be a rectangle with: , . Inside the rectangle we have to exteriorly tangents circles such that one is tangent to the sides and ,the other is tangent to the sides and .
1. Find the distance between the centers of the circles(using and ).
2. When the radiums of both circles change the tangency point between both of them changes, and describes a locus. Find that locus.