MathDB
2005 Geometry #8: 26-51-73 Triangle

Source:

May 16, 2013
geometryperimeterinradiusratioarea of a triangleHeron's formula

Problem Statement

Let TT be a triangle with side lengths 2626, 5151, and 7373. Let SS be the set of points inside TT which do not lie within a distance of 55 of any side of TT. Find the area of SS.
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