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Perimeter of a Rectangle

The area of a...

Question

The area of a rectangle is $102 s q c m$ . If its length is $17 c m$ , what is its perimeter?

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Solution

Area of rectangle $= l \times b$
$102 = 17 \times b$
so $b = 6 c m$
Perimeter $= 2 (l + b)$
$= 2 (17 + 6) = 46 c m$

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