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Angle Pairs - PowerPoint PPT Presentation


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Angle Pairs. 1.5. Solutions to HW. 1. 89, 45, 44 2. -14 3. 19 4. 32 5. 13 6 23, 25. Solutions to HW. 1. Interior 8. Angle Addition 2. Exterior 9. Congruent Marks 3. 39 or 40, Acute 4. 130 or 131, Obtuse 5. Straight 6. 25, 25, Congruent 7. 90, right. Vocabulary. Examples.

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solutions to hw
Solutions to HW
  • 1. 89, 45, 44
  • 2. -14
  • 3. 19
  • 4. 32
  • 5. 13
  • 6 23, 25
solutions to hw1
Solutions to HW
  • 1. Interior 8. Angle Addition
  • 2. Exterior 9. Congruent Marks
  • 3. 39 or 40, Acute
  • 4. 130 or 131, Obtuse
  • 5. Straight
  • 6. 25, 25, Congruent
  • 7. 90, right
examples
Examples
  • Where are supplementary angles?
  • What is the degree of <AFB
  • What is the degree of <CFD
linear pair
Linear Pair
  • A linear pair is a pair of adjacent angles whose noncommon sides are opposite rays. The angles of a linear pair form a straight angle.
  • What will be the total degree when you add both angles <ABD and <DBC?
algebra example
Algebra Example
  • Solve for x given this linear pair