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The area of a rectangle is 120 cm^2. The width is 30 cm. Find the perimeter. Please explain!
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Apr 24, 2017
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The area of a rectangle is 120 cm^2. The width is 30 cm. Find the perimeter. Please explain!
Mathematics
middle-school
Aladin Spaz
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Aladin Spaz
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A=120cm^2
A=l*w
w=30
120=l*30 divide 30 from both sides to get rid of it
40=l
length is 40 cm
Alastair Irvine
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Apr 29, 2017
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Alastair Irvine
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