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A rectangle has the width of r+3 and a length of 2r+9. What is the perimeter of the rectangle

User Djnose
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There are 4 sides to a rectangle and there are 2 sets of parallel sides equal in length. To calculate the perimeter you need to do 2(r+3) + 2(2r+9) which equals 6r+24. Hope this helps.
User Bryn
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5 votes

Answer:

6r+24

Explanation:

2(r+3)=2r+6

2(2r+9)=4r+18

(2r+6)+(4r+18)=6r+24

User MoLow
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