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If the perimeter of rectangle is 120 cm and it's length is 40 cm. Find the breadth of rectangle?
Given:
Perimeter of the rectangle = 120 cm
Length of the rectangle = 40 cm
To find: Here we have to find the breadth of the rectangle.
Solution:
We know that;
2 $\times$ (Length of the rectangle $+$ Breadth of the rectangle) = Perimeter of rectangle
Perimeter and length of the rectangle are already given. So,
2 $\times$ (40 $+$ Breadth of the rectangle) = 120 cm
40 $+$ Breadth of the rectangle = $\frac{120}{2}$ cm
40 $+$ Breadth of the rectangle = 60 cm
Breadth of the rectangle = 60 $-$ 40 cm
Breadth of the rectangle = 20 cm
So, breadth of the rectangle is 20 cm.
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