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10 December, 21:01

The measures of 7 of the angles of an octagon are 175, 144, 170, 150, 133, 125, and 153. What is the measure of the eighth interior angle?

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  1. 11 December, 00:56
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    30°

    Step-by-step explanation:

    formula for total degrees of a polygon (n-2) ·180 where n is the number of sides.

    octagon has 8 sides

    (8-2) ·180 = 1080°

    1080-175-144-170-150-133-125-153=30
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