Question

A rectangle has an area of 140m2. One of the sides is 10m in length. Work out the perimeter of the rectangle.

Answer 1

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★ Area of Rectangle = $\sf 140\: {m}^{2}$

★ l × b = 140

★ 10 × b = 140

★ b = 140/10

★ b = 14 m

Now , Perimeter of Rectangle = 2(l+b)

★ 2(10+14)

★ 2(24)

★ 48 m