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Mathematics, 11.01.2021 15:00 simihehe

The perimeter of a triangle is 21. The smallest side is 3. The 2nd side is twice the smallest side. The 3rd side is 6 more than the 2nd side. Write an equation to solve for the perimeter. Then find the and . Fill in the blanks.

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The perimeter of a triangle is 21. The smallest side is 3. The 2nd side is twice the smallest side....
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