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Posted by on Wednesday, December 7, 2011 at 10:46pm.

The length of a rectangle is 3cm. If the length remains constant, and the width changes, what r the possible perimeters for the different rectangles?

  • Math - , Thursday, December 8, 2011 at 11:31am

    well, assuming that the width remains less than the length, then 0 < w < 3

    p = 2l + 2w
    p = 6 + 2w
    6 + 0 < p < 6 + 6
    6 < p < 12

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