MathDB

2

Part of 1997 Moldova Team Selection Test

Problems(1)

in a convex pentagon every diagonal is parallel to one side

Source: Switzerland - Swiss TST 2001 p3 - 1997 Moldova TST p2

2/18/2020
In a convex pentagon every diagonal is parallel to one side. Show that the ratios between the lengths of diagonals and the sides parallel to them are equal and find their value.
ratiopentagonparallelogramgeometry