Home Geometry Problems Tangential Quadrilateral           by Antonio Gutierrez
Tangential or Circumscribed Quadrilateral: Diagonal, Altitudes Theorem.

The figure shows a tangential or circumscribed quadrilateral ABCD. The diagonals AC and BD meet at E. If h1, h2, h3, and h4 are perpendicular to AB, BC, CD, and AD, respectively, prove that Theorem conclusion. Post a comment.

Tangential Quadrilateral Theorem Altitudes 
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