More Lessons for High School Regents Exam
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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