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2 October, 05:57

the measure of angle 1 is twice the measure of angle 2, and angle 1 and angle 2 are linear pair. Find the measure of angle 1.

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  1. 2 October, 08:47
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    m<1=120

    Step-by-step explanation:

    A linear pair adds up to 180 degrees.

    So <1+<2=180

    Let <2=X, that would make <1=2X because <1 is 2 times more.

    So substitute that into the equation.

    2x+x=180.

    Combine like terms and get 3x=180

    Divide both sides by 3 and get x=60.

    Substitute that into <1 and get <1=120
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