RD Sharma - Mathematics

Book: RD Sharma - Mathematics

Chapter: 20. Mensuration-I (Area of a Trapezium and a Polygon)

Subject: Maths - Class 8th

Q. No. 3 of Exercise 20.1

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A playground has the shape of a rectangle, with two semi-circles on its smaller sides as diameters, added to its outside. If the sides of the rectangle are 36 m and 24.5 m, find the area of the playground. (Take π= 22/7.)



Area of the plot = area of the rectangle + 2 × area of one semi-circle


Radius of semi-circle =


Area of the plot = length × breadth +


Area of the plot = 36 × 24.5 +


Area of the plot = 882 + 471.625 = 1353.625 m2


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