Chapter 6.5

Circles: Angles and Measure

Name: Circles: Angles and Measure
Description: An angle drawn in a circle is tied to the arc it cuts off, and that tie solves most circle angle problems.

An angle drawn in a circle is tied to the arc it cuts off, and that tie solves most circle angle problems.

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By the end

01Relate inscribed angles to arcs and use cyclic quadrilaterals
02Compute arc lengths, sector areas, and areas of circular regions

In unit 6

6.1Angles, Polygons, and the Triangle Inequality
6.2Right Triangles
6.3Similar Triangles
6.4Area by Pieces and Ratios
6.5Circles: Angles and Measure
6.6Tangent Lines and Circles
6.7Coordinates and Lattice Points
6.8Moves and Shapes
6.9Thinking in Three Dimensions
6.10Which Idea Opens It? Geometry