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10 June, 23:11

What is the measure of an angle if its two, adjacent, supplementary angles add up to 100°?

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  1. 10 June, 23:38
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    Let x = the measure of the angle.

    Because the sum of the two supplementary angles is 100°, therefore

    x + 100° = 180°

    x = 180 - 100 = 80°

    Answer: 80°
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