Alternate Interior Angles

Investigate

I constructed the alternate interior angles congruent. If you change the angle measurements, are the lines still parallel? If you move the lines, are the lines still parallel?

New Resources

Pitfalls of Disk/Washer Method
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Prism Drawn in 1-Point Perspective
רישום חופשי
Circle Passing Through 3 Points

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Newton Method
Cubo e pirâmides
Perpendicular Bisector
One doughnut for all
Rational equations

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Geometric Mean
Circle
Rhombus
Cube
Functions