32cm

Explanation

The perimeter of a figure is the sum of all of its sides. Since a rectangle's width and length will be the same on opposite sides, the perimeter of a rectangle can be calculated by using the following formula: perimeter = 2(width) + 2(length) Using the numbers given in the question:

perimeter = 2(7cm) + 2(9cm)

perimeter = 14cm + 18cm perimeter = 32cm

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