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GEOMETRY The length of a rectangle is twice the width. Find the area, if the perimeter is 60 centimeters. Draw a picture, define a variable, write an equation, and solve the problem.
Deltheil
asked
Jan 12, 2023
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36
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36
votes
GEOMETRY The length of a rectangle is twice the
width. Find the area, if the perimeter is 60 centimeters.
Draw a picture, define a variable, write an equation, and
solve the problem.
Mathematics
high-school
Deltheil
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Jan 12, 2023
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Deltheil
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1
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15
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Let Lrepresent length
let W represent width
L =2W
L=2W
— —
2. 2
W=L/2
area =?
perimeter is =60
Perimeter of rectangle = 2(L+W)
Substitute L in the equation above
60=2(2W+W)
60=4W+2W
60=6W
Divide both side by 6
W=10
L=2W
L= 2x10
L=20
Toidiu
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Jan 17, 2023
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Toidiu
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