The width of a rectangle is 9 less than the length. If the perimeter is 130 cm, find the length and the width of the rectangle
2 answers:
P=2l×2w
130=2l×2(l-9)
130=2l×2l-18
148=4l
37=l
w=l-9
w=37-9
w=28
The width is 28
width is 28cm and length is 37 cm.
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