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)

New Resources

Squaring a Rectangle (PST Version)
Writing and Graphing Proportional Relationships (k>0)
Pythagorean Theorem: Quick Illustrator
Isosceles Right Triangle
Parabolas, Lines and Nomograms

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Areas of Inscribed and Circumscribed Polygons of the Unit Circle
The first activity and the notion of trajectory
พื้นที่ผิวของปริซึม
Illustration af multiplikation
Geometry 1.5.3 Bisect This (Part 4)

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Right Triangles
Exponent
Straight Lines
Conditional Probability
Calculus