This turned out to be a challenging geometric problem from Poo-Sung Park posted at the Twitter site #GeometryProblem

**“Geometry Problem 92: **What is the ratio of a:b?”

See the Envelope Puzzle

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This turned out to be a challenging geometric problem from Poo-Sung Park posted at the Twitter site #GeometryProblem

**“Geometry Problem 92: **What is the ratio of a:b?”

See the Envelope Puzzle

This was a nice geometric problem from Poo-Sung Park @puzzlist posted at the Twitter site #GeometryProblem.

“Geometry Problem 65: Given one square leaning on another, what is the ratio of the triangular areas A:B?”

See the Leaning Squares.