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GeoGebra
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GeoGebra
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Points of Concurrency
Author:
Mr. Penner
GeoGebra
New Resources
bewijs stelling van Pythagoras
Golden Rectangles and Golden Spirals
Opposite, Adjacent, Hypotenuse in a Right Triangle
A note on Erdős’s mysterious remark
apec
Discover Resources
start, create right isosceles triangle
Multiplication by 11 and Squares of 2 digit numbers
Untitled1
Pelecoid
Discover Topics
Algebra
Linear Programming or Linear Optimization
Subtraction
Ratios
Scalene Triangles