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28 November, 01:39

a triangle one angle measuring 3x degrees a second angle measures 2x+20 degrees and the third measures 4x-20 degrees. what is the value of x

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  1. 28 November, 04:09
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    x=20

    Step-by-step explanation:

    Because all angles of a triangle add up to 180, by adding all the values that your given and setting it equal to 180, you get the value of x.

    3x+2x+20+4x-20=180

    9x=180

    x=20
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