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12 November, 05:03

Four interior angles of a pentagon measure 88 degrees, 118, 132, and 100. What is the measure of the fifth interior angle?

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  1. 12 November, 07:00
    0
    The angle is 102

    Step-by-step explanation:

    The interior angles of a polygon equal (n - 2) 180 where n is the number of sides

    A pentagon has 5 sides

    (5-2) * 180 = 540

    The sum of the angles should be 540

    Let x be the fifth angle

    88+118+132+100 + x = 540

    Combine like terms

    438+x = 540

    Subtract 438 from each side

    438-438+x = 540-438

    x = 102
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