Find x & Complementary Angles

Discussion in 'Geometry and Trigonometry' started by nycmathguy, Oct 23, 2021.

  1. nycmathguy

    nycmathguy

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    nycmathguy, Oct 23, 2021
    #1
  2. nycmathguy

    MathLover1

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    3 and 4 correct

    6. x^2+9x=90

    x=6
    x=-15-> since x is the measure of an angle, disregard negative solution
    x^2=6^2=36
    9x=9*6=54
     
    MathLover1, Oct 23, 2021
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    nycmathguy likes this.
  3. nycmathguy

    nycmathguy

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    Thanks for the correction.
     
    nycmathguy, Oct 23, 2021
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