SOLUTION: the length of a rectangle is fixed at 15cm. what widths will make the peramiter greater than 76cm? the width must be greater than __ cm
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Question 147332: the length of a rectangle is fixed at 15cm. what widths will make the peramiter greater than 76cm? the width must be greater than __ cm Answer by nerdybill(7384) (Show Source):
You can put this solution on YOUR website! Perimeter is:
L+L+W+W
or
2L+2W
or
2(L+W)
.
Since the problem fixed L as 15 cm AND the perimeter as greater than 76 we get our equation:
2(15+W) > 76
30 + 2W > 76
2W > 46
W > 23 cm
