Adding & Subtracting Adjacent Angles

Section A: Unit Notes

Two angles are adjacent when they have a common side and a common vertex (corner point) and don't overlap.

Adjacent angles share a vertex and a side.

Adjacent angles must not overlap.

<AXB and <BXC are adjacent angles.

They have a common vertex – X, they have a common side XB and no common interior points.

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Section B: Video Lesson

To better understand adjacent angles…click the video below.

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Section C: Online Module

Combining Angles| School Yourself Geometry