The Brownie Problem

Author:Steve Phelps

A rectangular hole is cut in the interior of a larger rectangle. Where should the red line be located to divide the remaining area into two equal areas (not congruent pieces)

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Angle Addition: Warm Up Exercises
Trefoil Knot

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Equivalent Fraction Pieces
สำรวจ10
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General Quadrilateral
Special Points
Mode
Hypergeometric Distribution
Quadratic Equations