1_6 notes - only if no other angle has the same vertex....

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A B C 1 2 Ch 1 Section 6 Working with Angles Angle (p. 34) - a figure formed by two with a common (The symbol is read “angle.”) Example: Vertex (p. 34) - the common of the two rays that form an angle (The plural of vertex is vertices .) Example: Congruent angles (p. 35) - angles that have the same Example: Naming angles and angle measures Sometimes you can name an angle several different ways. When you use three letters to name an angle, the vertex must be the letter. You can name an angle using just the vertex
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Unformatted text preview: only if no other angle has the same vertex. Examples: Think and Communicate (page 35) 1.) 2.) Congruent angles and angle addition Just as tick marks show that segments are congruent, arcs near angle vertices show that certain angles are congruent. 1 and 2 are congruent. Similar to segment addition, you can the measures of 1 and 2 to find the of ABC . Checking Key Concepts (page 37) 1.) 2.) 3.) 4.) 5.) 6.) 7.) 8.)...
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1_6 notes - only if no other angle has the same vertex....

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