Question
A wire in the form of a circle of radius 3.5 m is bent in the form of a rectangule, whose length and breadth are in the ratio of 6 : 5. What is the area of the rectangle?
Answer: Option B
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The circumference of the circle is equal to the permeter of the rectangle. Let l = 6x and b = 5x
2(6x + 5x) = 2 * 22/7 * 3.5 => x = 1 Therefore l = 6 cm and b = 5 cm
Area of the rectangle = 6 * 5 = 30 cm2
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