SOLUTION: An 11-sided polygon has 3 sides each of length x centimeters and 6 sides each of length 2x centimeters. The lengths of the other 2 sides are 12 centimeters and 13 centimeters. If t

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Question 440286: An 11-sided polygon has 3 sides each of length x centimeters and 6 sides each of length 2x centimeters. The lengths of the other 2 sides are 12 centimeters and 13 centimeters. If the perimeter of the polygon is 100 centimeters, what is the value of x.
Answer by jorel1380(3719)   (Show Source): You can put this solution on YOUR website!
3x+6(2x)+12+13=100
3x+12x=75
15x=75
x=5cm..

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