Home Education StraightUpMath Ed Reform Contact Me

Supplementary Angles

Practice

Using the diagram, answer the following questions.


  • ∠ABD and ∠DBC are supplementary angles. If the m∠ABD = -2x + 39 , and m∠DBC = -10x + 249 , solve for x.
  • State the two angle measures.
Click to Reveal Answers.


  • ∠ABD and ∠DBC are complementary angles. If the m∠ABD = -2x + 39 , and m∠DBC = -10x + 249 , solve for x.
    x = 9
  • State the two angle measures.
    m∠ABD =21 and m∠DBC = 159

 

web development by bryant smith