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anonymous

  • one year ago

The measures of the angles of a triangle are 2x, 3x, and 4x. What is the degree measure of the largest angle of the triangle? A.) 20° B.) 60° C.) 80° D.) 100°

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  1. SolomonZelman
    • one year ago
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    what do you think ?

  2. SolomonZelman
    • one year ago
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    the sum of angles in the triangle is 180 degrees. always

  3. SolomonZelman
    • one year ago
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    and in your case this sum of angles is 2x+3x+4x

  4. SolomonZelman
    • one year ago
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    So, 2x+3x+4x=180

  5. SolomonZelman
    • one year ago
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    then all you got to do, is to solve for x

  6. anonymous
    • one year ago
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    I got 20!

  7. SolomonZelman
    • one year ago
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    (yes, then you have to plug the value of x you found into "4x" to find the value of the largest triangle)

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