Question
The area of a square is 40 sq. cm more than the area of
a rectangle of length 20 cm and breadth 18 cm. What will be the area of incircle of the square? MTSolution
The area of rectangle = l × b = 20 × 18 = 360 sq. cm The area of square = 360 + 40 = 400 sq. cm The side of square = √400 = 20 cm Radius of incircle of a square = side = 20/2 = 10 cm
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