Equilateral Triangles That Form a Star
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For the default value of the slider, the two equal equilateral triangles overlap in a regular hexagon. What is the area of their common part?
Contributed by: Rik Agosti (March 2011)
Open content licensed under CC BY-NC-SA
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"Equilateral Triangles That Form a Star"
http://demonstrations.wolfram.com/EquilateralTrianglesThatFormAStar/
Wolfram Demonstrations Project
Published: March 7 2011