SOLUTION: The width of a rectangle is fixed at 21cm. WHat lenghts will make the perimeter greater that 72 cm.
Thank you for your time.
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Question 134860: The width of a rectangle is fixed at 21cm. WHat lenghts will make the perimeter greater that 72 cm.
Thank you for your time.
Answer by vleith(2983) (Show Source): You can put this solution on YOUR website!
w = 21
Perimeter of a rectangle = 2w + 2l
We want P > 72
any length > 15 cm will do it
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