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A rectangular picture frame has a width of 9 cm and a length of x cm.

Which expression represents the perimeter of the picture frame?




2x + 18

2(x+18)

2x + 9

x + 9

User Spiegel
by
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1 Answer

4 votes

Answer:

x+9

Explanation:

the perimeter of any polygon is the sum of all the sides

User Redrah
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