interior angles | MathCelebrity Forum

interior angles

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    Janice says that the sum of the measures of the interior angles of an octagon is 900°. Is Janice cor

    Janice says that the sum of the measures of the interior angles of an octagon is 900°. Is Janice correct? Why or why not? She's incorrect. The interior angle sum for a polygon is found with this formula: Interior Angle Sum = (sides - 2) x 180° Since an octagon has 8 sides, we have: Interior...
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