MathDB

2015.C2

Part of Durer Math Competition CD 1st Round - geometry

Problems(1)

<APD =<DPC, ABCD rectangle 2014-15 Dürer Round1 C2

Source:

12/5/2022
Given a rectangle ABCDABCD, side ABAB is longer than side BCBC. Find all the points PP of the side line ABAB from which the sides ADAD and DCDC are seen from the point PP at an equal angle (i.e. ∠APD=∠DPC\angle APD = \angle DPC)
geometryrectangleequal anglesDurer