Answer:
The perimeter of a rectangle is the sum of the lengths of its sides.
P=L+W+L+W=2L+2W=48
Therefor, L+W=24
From the given information L=3W
Using substitution: 3W+W=24
4W=24
W=6
L=3(6)=18
Therefor, the dimension of the rectangle are 18 by 6
Let the breadth of the given rectangle be x cm then its length will be 3x cm.
Perimeter of the rectangle = 2 (length+breadth)
40=2(x+3x)
40=8x
∴x=5
∴ length of rectangle =(5×3) cm
=15 cm
breadth of rectangle =(5×1) cm
=5 cm
∴The length and width of the rectangle is 15 cm and 5 cm
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Answers & Comments
Answer:
The perimeter of a rectangle is the sum of the lengths of its sides.
P=L+W+L+W=2L+2W=48
Therefor, L+W=24
From the given information L=3W
Using substitution: 3W+W=24
4W=24
W=6
L=3(6)=18
Therefor, the dimension of the rectangle are 18 by 6
Verified answer
Answer:
Let the breadth of the given rectangle be x cm then its length will be 3x cm.
Perimeter of the rectangle = 2 (length+breadth)
40=2(x+3x)
40=8x
∴x=5
∴ length of rectangle =(5×3) cm
=15 cm
breadth of rectangle =(5×1) cm
=5 cm
∴The length and width of the rectangle is 15 cm and 5 cm
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