Question
The area of a square is 26 sq. cm more than the area of
a rectangle of length 13 cm and breadth 11 cm. What will be the area of incircle of the square?Solution
The area of rectangle = l Γ b = 13 Γ 11 = 143 sq. cm The area of square = 143 + 26 = 169 sq. cm The side of square = β169 = 13 cm Radius of incircle of a square = side = 13/2 = 6.5 cm
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