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Parallel and Perpendicular Lines in the Coordinate Plane
Author:
Tim Brzezinski
Note the EXACT SLOPE tool (with blue background).
GeoGebra
Quick (Silent) Demo
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Isosceles Triangle: Quick Construction
Limaçon / Cardioid as a Locus - A Classical Construction
Slope Field (1)
Stairs (Optical Illusion)
"Compressed" Astroid as Envelope
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Great Lakes Problem Matrix Solution
Sum of angles of a polygon
Theorem 1-2
Функция (4)
Aleema
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Trigonometric Functions
Distributions
Probability
Means
Statistical Characteristics