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A 720 cm long rope is used to make a rectangular shape of length 240 cm. Find the breadth of the shape of obtained.
Given: Length of rope = 720 cm, Length of rectangle = 240 cm
To find: Breadth of the rectangle
Solution:
Perimeter of rectangle=720cm
So,
$2(L+B)= 720 cm$
$2(240+B)=720$
$480+2B=720$
$2B= 720-480$
$2B=240$
$B=\frac{240}{2}$
So,
B= 120cm
Hence, the breadth of rectangle is 120cm
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