Question
Side of a square is 20% less than the length of a
rectangle. The area and width of the rectangle are 2520 cm² and 36 cm. What will be the perimeter of the square?Solution
ATQ,
Length of rectangle = (2520 / 36) = 70 cm
Side of square = 0.8 × 70 = 56 cm
Required perimeter = 4 × 56 = 224 cm
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