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    Question

    Perimeter of a square is equal to perimeter of a

    rectangle, if area of square is 324 sq.cm and length of rectangle is three times that of breath. Find the area of rectangle.
    A 100 cm.sq Correct Answer Incorrect Answer
    B 256 cm.sq Correct Answer Incorrect Answer
    C 192 cm.sq. Correct Answer Incorrect Answer
    D 288 cm.sq Correct Answer Incorrect Answer

    Solution

    a² = 324 cm. sq. a = 18 cm According to question, => 4 × 18 = 3 (2b + b) => 24 = 3b => b = 8 cm So, l = 8 x 3 = 24 cm Area of rectangle = (24 × 8) = 192 cm. sq.

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