The perimeter of a rectangle is 46 m and its length is 15 m. Find its area in $m^{2}$

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Solution

Let the breadth of the rectangle $= b$ m.
Perimeter of the rectangle $= 2 (l + b) = 46 m => 15 + b = 23 => b = 8 m$
Area of the rectangle $= l \times b = 15 \times 8 = 120 m^{2}$

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