MathDB

parallel concurrency , trapezoid related

Source: Switzerland - Swiss ΜΟ 2015 p8

July 15, 2020

geometrytrapezoidconcurrencyconcurrent

Problem Statement

Let

ABCD

be a trapezoid, where

B

and

CD

are parallel. Let

P

be a point on the side

BC

. Show that the parallels to

AP

and

PD

intersect through

C

and

B

to

DA

, respectively.

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