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anonymous

  • one year ago

LINE A|| LINE B M<1=4X M<2=2X-6 USE THE VALUE OF X TO FIND THE MISSING ANGLE MEASURE M<5

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  1. anonymous
    • one year ago
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    |dw:1434649037186:dw|

  2. Vocaloid
    • one year ago
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    since angle 1 and angle 2 lie on a straight line, their sum must be 180 angle 1 and angle 5 are the same, because they are corresponding angles

  3. anonymous
    • one year ago
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    AND

  4. Vocaloid
    • one year ago
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    ... that's all you need to know, really... M<1 + M<2 = 180, solve for x and find angle 1

  5. anonymous
    • one year ago
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    DO I HAVE TO SUBTRACT

  6. Vocaloid
    • one year ago
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    ... I don't think you quite understand M<1 = 4x, right? M<2 = 2x - 6, right? M<1 + M<2 = 180, solve for x

  7. anonymous
    • one year ago
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    SO WILL IT BE 6X-6=180

  8. Vocaloid
    • one year ago
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    great! now solve for x

  9. anonymous
    • one year ago
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    6X=186/6=31

  10. Vocaloid
    • one year ago
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    ok, so we have x, but we're not done yet! we know that angle 1 is 4x, right? so what is the value of 4x when you plug in 31 for x?

  11. anonymous
    • one year ago
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    124

  12. Vocaloid
    • one year ago
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    great, angle 1 is 124 degrees the question wants to know the value of angle 5, and we know from the diagram that angle 1 is the same as angle 5, so angle 5 is 124 degrees as well good job

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