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Question
The perimeter of a rectangle is 36 cm. Write the equation for this statement using two variables.
Sum
Solution
Let the length and breadth of a rectangle be x and y.
The perimeter of a rectangle = 2 (l + b)
∴ 36 = 2 (x + y)
∴ `36/2` = x + y
∴ x + y = 18
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Linear Equation in Two Variables
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