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The length of a rectangle is 2cm longer than its width if the perimeter of the rectangle is 40cm find the area?
To find the area of a rectangle, you need to know the length and width. Let's denote the width as x cm. Since the length is 2 cm longer than the width, the length would be x + 2 cm. The perimeter of a rectangle is the sum of all its sides, which in this case is 2(width + length). So, we have 2(x + x + 2) = 40 cm. Solving this equation gives x = 8 cm. Therefore, the width is 8 cm and the length is 10 cm. The area of the rectangle is width * length, which is 8 cm * 10 cm = 80 cm².
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