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Unformatted text preview: Example: Angle bisectors An is a ray that divides an angle in . The two angles formed by the angle bisector have measure, and this measure is that of the angle that is bisected. Checking Key Concepts (page 43) 1.) QR= 2.) MR= 3.) PR= 4.) PM= 5.) = 6.) = 7.) Describe how to use paper folding to find a segments midpoint. 8.)...
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