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The length of a rectangle is five centimeters more than its width, w. If the perimeter of the rectangle is 26 centimeters, what is the area of the rectangle, in square centimeters? A.104 B.676 C.36 D.26
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Jun 19, 2017
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The length of a rectangle is five centimeters more than its width, w. If the perimeter of the rectangle is 26 centimeters, what is the area of the rectangle, in square centimeters?
A.104
B.676
C.36
D.26
Mathematics
high-school
Anmol Nijhawan
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Anmol Nijhawan
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L is 5 more than W
L=5+W
P=2(L+W)
P=26
26=2(L+W)
L=5+W
sub
26=2(5+W+W)
divide both sides by 2
13=5+W+W
13=5+2W
minus 5 both sides
8=2W
divide 2 both sides
4=W
L=5+W
L=5+4
L=9
L=9 cm
W=4 cm
area=LW
area=9*4
are=36 cm^2
C is answer
Daniele Baggio
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Jun 24, 2017
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Daniele Baggio
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