Transversals, Parallel Lines, Angles: Protractor Version

In this app, a transversal intersects 2 parallel lines. Use the points and slider to move them around. Then, use the protractor to find the measure of the 8 angles shown. Record them too.
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– Tim Brzezinski, GeoGebra Classroom Activities, Anthony OR 柯志明

Information: Transversals, Parallel Lines, Angles: Protractor Version