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Sum of the angles of a triangle is not always 180°

Author:Daniel Mentrard

Topic:Angles, Geometry

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bewijs stelling van Pythagoras
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Steel Chair
Untitled
Parallel Line Image Maker

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Graph f from f'
Pg 63 & 64
Two points make a line
Animated Watermelons
Modifiable Solid: Semicircular Cross Sections Parallel to yAxis

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Addition
Similar Triangles
Area
Right Triangles
Arithmetic Operations

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