The length of a rectangle is 3 5th of the side of a square The radius of a circle is equal to side o...........

Quantitative Aptitude ( CCS) Mensuration 2D

The length of a rectangle is 3/5th of the side of a square. The radius of a circle is equal to side of the square. The circumference of the circle is 132 cm. What is the area of the rectangle, if the breadth of the rectangle is 15 cm?

112 cm²

149 cm²

189 cm²

Cannot be determined

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Explanation:

Circumference of the circle = 132
2πR = 132; R = 21 cm
Side of square = 21 cm
Length of the rectangle = 3/5 * 21 = 63/5
Area of the rectangle = 63/5 * 15 = 189 cm²