Thursday, February 6, 2014

Structural Vertical Angles


Vertical Angles: Two angles whose sides form two pairs of opposite rays.
Theorem 2-3: Vertical angles are congruent.

In this situation, with the beams under the overhang, angles VUW and XUY are congruent by theorem 2-3, and it is also proven through the angle measurements given by GSP. (~AI5)

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