Same-Side Interior Angles

Investigate

I constructed the same-side interior angles supplementary. If you change the angle measurements, are the lines still parallel? If you move the lines, are the lines still parallel?

New Resources

Daddy Long-Legs
A Happy Polar Leaf
רישום חופשי
Curves
JLA Portrait

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spirales 3D
FP1 Conics
Equilateral Triangle

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Continuity
Power Functions
Logarithm
Circle
Normal Distribution