The perimeter of a rectangle is 72 centimeters. The base is 3 times the height. What are the dimensions of the rectangle?

A rectangle’s perimeter is 2(base + height), so 2(b + h) = 72 and b + h = 36. Since the base is 3 times the height, b = 3h; therefore, 4h = 36, giving h = 9 cm and b = 27 cm. The correct choice is the one with height 9 cm and base 27 cm.

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