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Folding a Triangle
Author:
Andrew Stacey
Topic:
Triangles
This animation shows the "folding a triangle" method of proving both that the angles add up to 180 and the area of the triangle is "half base times height". The vertices of the triangle can be moved.
GeoGebra
New Resources
Question 6c
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Colors for GeoGebra
အခြေခံ data အခေါ်အဝေါ်များ
MC #2
Discover Resources
TheMostDankerestMeme
SRT Twin paradox
Main Circle VS Corner Circle in Square
Copie de patron d'un prisme quelconque
Quasi-convex
Discover Topics
Bar Chart or Bar Graph
Vectors 2D (Two-Dimensional)
Distributions
Pie Chart or Circle Chart
Standard Deviation