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?

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從邊長辨認四邊形
Transformaciones usando coordenadas
Pythagorean Day
拼砌四邊形 - 工作紙
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Slider Adjusting Circle
Linear Transformations
Water Tank
Dotplot
Sine/Cosine Angle Sum Proof

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Simetría
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