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Perpendicular line sum of a regular pentagon

Author:Karen Paik

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Making New Year's resolutions for 2026
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Reflection across a line
Locus Related to Descartes' Folium
Triangle with 3 Right Angles

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Transformations, Dilations, and Algebraic Formulas
اتزان قضيب علي مستويين
Triangle into a Square
Circumcenter is the Midpoint of Hypotenuse
Investigating Quadrilaterals
Graphical limits

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Geometric Distribution
Cosine
Curve Sketching
Linear Equations
Ellipse

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