# geometry triangle midpoint congruence rhombus math scalene triangles midpoints angle isosceles

Two Color-Patterns of a Tessellation Using Squares, Rhombi, Equilateral Hexagons, and… https://t.co/w5Gy0z9WUo

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2016-01-03

New artwork for sale! - "Concentric Inverted White Equilateral Triangles" - http://t.co/fq50fRQq

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2012-11-01