Parallel lines (angle of inclination and slope)

Autor:Lee Ka Shun

Move point A or point B to change the slope of the straight lines. Notice the relationship between the angles of inclination and the slopes of the two straight lines.

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bewijs stelling van Pythagoras
Domain of f(x,y)
The Geometry of the Coefficients of a Quadratic Function
Trammel of Archimedes Art
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Sketching Polynomials
Problem 1.2 Planning Parks
Circle Project
F5 4.1 Q1d
Dissections

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