High School Math based on the topics required for the Regents Exam conducted by NYSED.
Angle Addition Postulate
The angle addition postulate states that if D is in the interior of ∠ABC then ∠ABD + ∠CBD = ∠ ABC
The following diagram gives an example of the Angle Addition Postulate. Scroll down the page for more examples and solutions.
Angle Addition Postulate and Angle Bisectors
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