The sum of the interior angles of a regular polygon is 2 , 880 ° . Find the number of sides of the polygon.

Sum of the interior angles = 2,880° Therefore, assuming a convex or regular polygon and using the summation formula (n - 2) 180°, we have

(n - 2) 180° = 2,880° Solve for n

n - 2 = 16 Add 2 to both sides of the equation

n = 18

Step-by-step explanation:

(n - 2) 180° = 2,880° Solve for n

n - 2 = 16 Add 2 to both sides of the equation

n = 18

$450 is the answer.

step-by-step explanation:

30% of 450 = 135

450-135=315

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step-by-step explanation: