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Lesson 2.2 Angle Bisectors

Lesson 2.2 Angle Bisectors. Pages 61 - 63. What is an ‘ angle bisector ’?. An angle bisector is a ray that divides an angle into two angles that are congruent. Example 1: Find the missing angle measures. M. A. C. R. 110 ⁰. 35 ⁰. M. B. Q. N. m AMC = ______

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Lesson 2.2 Angle Bisectors

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  1. Lesson 2.2 Angle Bisectors Pages 61 - 63

  2. What is an ‘anglebisector’? • An angle bisector is a ray that divides an angle into two angles that are congruent.

  3. Example 1: Find the missing angle measures. M A C R 110⁰ 35⁰ M B Q N m AMC = ______ m CMB = ______ m RQN = ______ m MQN = ______

  4. Example 2: Find the missing angle measures then classify the angles as acute, right, obtuse, or straight. Y m YXZ = ______ m WXZ= ______ Classify YXZ. Classify WXZ. W 62⁰ X Z

  5. Example 3: Find the missing angle measures. 45⁰ X 60⁰

  6. Example 4: Use Algebra to find the missing angle measures. C M R 6X+1 9X 85⁰ A 8X + 3 M B Q N X = ______ X = ______ m MQR = ______

  7. Assignment: Pages 64 - 66 #2 – 22even, 28, 30

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