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Orthic Triangle

Author:Gavin Howard

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Shells
Triangle with 3 Right Angles
Reflection across a line
bewijs stelling van Pythagoras
Making New Year's resolutions for 2026

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Maths stuff
Properties of Dilations
Points, Lines & Planes
Cylinder Surface Area
two mirros

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Isosceles Triangles
Terms
Mode
Pyramid
Geometric Mean

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