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Supplementary Angles

Practice

Using the diagram, answer the following questions.


  • ∠ABD and ∠DBC are supplementary angles. If the m∠ABD = 1x + 85 , and m∠DBC = 8x + 185 , solve for x.
  • State the two angle measures.
Click to Reveal Answers.


  • ∠ABD and ∠DBC are complementary angles. If the m∠ABD = 1x + 85 , and m∠DBC = 8x + 185 , solve for x.
    x = -10
  • State the two angle measures.
    m∠ABD =75 and m∠DBC = 105

 

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