ChallengeHard
Challenge · Hard problem
The two diagonals of a rectangle cut it into four triangles. Find the radius of the circle inscribed in one of the two triangles that have a side of length . Express your answer as a common fraction.
The two diagonals of a rectangle cut it into four triangles. Find the radius of the circle inscribed in one of the two triangles that have a side of length . Express your answer as a common fraction.