The pyramid scheme

Two congruent circles and a triangle. Prove that the triangle is isosceles.

Scroll down for a solution to this problem.


Solution by Rony Sarker.


The pyramid
From earth to heaven
Built by people stone on stone
A mystery for proud and beauty
It is artwork for humanity
Created with hands and mind
A treasure for the world
And block by block
A masterpiece out of the rock
A room, a grave
Ready for now and for next life


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