# mpershan@saintannsny.org

• ### Cone and Pyramid

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mpershan@saintannsny.org

• ### Prism and Pyramid

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mpershan@saintannsny.org

• ### big]-sided polygon

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mpershan@saintannsny.org

• ### 100-sided polygon

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mpershan@saintannsny.org

• ### Ellipse (via Steve P!)

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mpershan@saintannsny.org

• ### Squares Built on a Triangle

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mpershan@saintannsny.org

• ### Lines for IM 3.7

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mpershan@saintannsny.org

• ### Wiggle Room

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mpershan@saintannsny.org

• ### Dependence in GeoGebra

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mpershan@saintannsny.org

• ### Morley!

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mpershan@saintannsny.org

• ### Ed's Area Problem

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mpershan@saintannsny.org

• ### Lucas' Interesting Problem

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mpershan@saintannsny.org

• ### Blanks for Congruent Triangles Connecting Representations

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mpershan@saintannsny.org

• ### Triangle Area Techniques

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mpershan@saintannsny.org

• ### crazy red square grey square sum with altitudes

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mpershan@saintannsny.org

• ### Opener - Fraction of Area

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mpershan@saintannsny.org

• ### Squares built on a triangle

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mpershan@saintannsny.org

• ### Cyclic Quadrilateral - What's Always, Sometimes, Never Congr

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mpershan@saintannsny.org

• ### Opener - Geometry W -

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mpershan@saintannsny.org

• ### Proof Analysis Problem

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mpershan@saintannsny.org

• ### Triangular and Square Pyramids

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mpershan@saintannsny.org

• ### Cube and Pyramid Volume

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mpershan@saintannsny.org

• ### Two Centers of Dilation

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mpershan@saintannsny.org

• ### Regular Polygons Inscribed in Midpoints of Regular Polygons

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mpershan@saintannsny.org