Question
The circumference of a circle is 66 cm, and the length
of the rectangle is 4 times the radius of the circle. Find the area (in cm 2 ) of the rectangle, if the ratio of length and the breadth of the rectangle is 7:3, respectively. type-sscSolution
Let the radius of the circle = ‘r’ cm Circumference of the circle = 2πr 88 = 2 × (22/7) × r r = 28/2cm=14cm The radius of the circle = 14 cm Length of the rectangle = (14) × 4 = 56 cm Breadth of the rectangle = (56/7) × 3 = 24cm Area of the rectangle = 56 × 24 = 1344 cm2
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