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5 April, 09:10

Two angles are supplementary. if the larger angle is 3 degrees more than twice the smaller angle then how big is each angle. write an expression for each angle. write the equation for this situation. solve the equation. find the size of each angle.

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  1. 5 April, 09:44
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    Two angles are supplementary when they add up to 180 degrees.

    x = smaller angle

    2x+3 = larger angle

    x + 2x + 3 = 180

    3x = 180 - 3

    3x = 177

    x = 177/3

    x = 59 ° ← smaller angle

    2x + 3 = 2*59 + 3 = 121° ← larger angle
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