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प्रश्न
The length of the rectangle is 5 more than twice its breadth. The perimeter of a rectangle is 52 cm, then find the length of the rectangle
बेरीज
उत्तर
Let the length and breadth of the rectangle be x cm and y cm respectively.
According to the first condition,
The length of the rectangle is 5 more than twice its breadth.
∴ x = 2y + 5
∴ x – 2y = 5 ......(i)
According to the second condition,
Perimeter of rectangle is 52 cm.
∴ 2(x + y) = 52
∴ 2x + 2y = 52 .....(ii)
Adding equations (i) and (ii), we get
x – 2y = 5
+ 2x + 2y = 52
3x = 57
∴ x = `57/3` = 19
∴ The length of the rectangle is 19 cm.
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