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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Congruent Sides & Angles in △s: Exploration
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Untitled
Slope Illustrator (2)
Function art 3D - waiting shed

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Activity 3.1 - Discrete function example - Lesson
Perpendicular Bisector
分數除法 3：a/b ÷ n（均分）
Conditions for Similarity of Triangles (1) 相似三角形的判別條件(1)
Soccer

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Confidence Interval
Cosine
Rhombus
Pyramid
Reflection