SOLUTION: The width of a rectangle is fixed at 21 cm . What lengths would make the perimeter greater than 70 cm?

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Question 419165: The width of a rectangle is fixed at 21 cm . What lengths would make the perimeter greater than 70 cm?
Answer by shree840(260) About Me  (Show Source):
You can put this solution on YOUR website!
perimetr=2L+2w>70
2L+2*21>70
2L=70-42>28
L>14