Question

Length of a rectangle is equal to the side of a square. If area of the square and rectangle is 841 m2 and 493 m2, respectively then find the perimeter of the rectangle.

A 82 metres Correct Answer Incorrect Answer
B 76 metres Correct Answer Incorrect Answer
C 78 metres Correct Answer Incorrect Answer
D 80 metres Correct Answer Incorrect Answer
E 92 metres Correct Answer Incorrect Answer

Solution

Side of square = √841 = 29 metres Area of rectangle = 493 m2 Breadth × 29 = 493 Or, Breadth of the rectangle = 17 metres Perimeter of the rectangle = 2 × (17 + 29) = 92 metres

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