MathDB
Perpendicular Segments

Source: AIME 2009II Problem 3

April 2, 2009
geometryrectangleanalytic geometrygraphing linesslopefloor functionPythagorean Theorem

Problem Statement

In rectangle ABCD ABCD, AB\equal{}100. Let E E be the midpoint of AD \overline{AD}. Given that line AC AC and line BE BE are perpendicular, find the greatest integer less than AD AD.