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Section 1.5 – Exploring Angle Pairs

Section 1.5 – Exploring Angle Pairs. Students will be able to: identify special angle pairs and use their relationships to find angle measures Key Vocabulary adjacent angles vertical angles complementary angles supplementary angles linear pair angle bisector.

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Section 1.5 – Exploring Angle Pairs

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  1. Section 1.5 – Exploring Angle Pairs Students will be able to: identify special angle pairs and use their relationships to find angle measures Key Vocabulary adjacent angles vertical angles complementary angles supplementary angles linear pair angle bisector

  2. Section 1.5 – Exploring Angle Pairs

  3. Section 1.5 – Exploring Angle Pairs

  4. Section 1.5 – Exploring Angle Pairs Problem 1: Use the diagram at the right. Is the statement true? Explain <AFE and <CFD are vertical angles. <BFC and <DFE are supplementary. <BFD and <AFB are adjacent angles.

  5. Concept Check • From an unmarked diagram, we can conclude if angles are • You cannot conclude from an unmarked diagram

  6. Section 1.5 – Exploring Angle Pairs Problem 2: What can you conclude from the information in the diagram?

  7. Section 1.5 – Exploring Angle Pairs Problem 2b: Can you make each conclusion from the information in the diagram? Explain. TWQ is a right angle bisects

  8. Section 1.5 – Exploring Angle Pairs A linear pair is a pair of adjacent angles whose noncommon sides are opposite rays. The angles of a linear pair form a _________________.

  9. Section 1.5 – Exploring Angle Pairs Problem 3: <DEC and <FEC are a linear pair. What are the measures of

  10. Section 1.5 – Exploring Angle Pairs An angle bisector is a ray that divides an angle into two congruent angles. Its endpoint is a the _________________.

  11. Section 1.5 – Exploring Angle Pairs Problem 4: bisects If m = 72, what is m?

  12. Section 1.5 – Exploring Angle Pairs Lesson Check

  13. Section 1.5 – Exploring Angle Pairs Lesson Check

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