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

Reflection = 180° Rotation about a Line
z`]]
Volume by Shells Around y
Pitfalls of Disk/Washer Method
Locus Related to Descartes' Folium

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Proving Lines Parallel #1
Parallelogram Geogebra
Walking to School
radian
Calculus 3

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Step Functions
Real Numbers
Inequalities
Fractions
Functions