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Angle Fact
Author:
Alex Knight
,
cousin.avi
Change the angle with the slider until the marked angle is 90
GeoGebra
New Resources
Golden Rectangles and Golden Spirals
Morse code visualizer / decoder
探究長方形對角線上的正方形數目
derivatives of power
power rule of x^n derivatives
Discover Resources
Level Curves
Euler simulation for slinky
Test y=2x
พื้นที่
Discover Topics
Special Points
Straight Lines
Trapezium
Logarithm
Linear Functions