ICSE-VIII-Mathematics
20: Area of Trapezium and a Polygon Class 8 Maths
- #15A path of uniform width, 2.5 m, runs around the inside of a rectangular field 30 m by 27 m. Find the area of the path.Ans : According to the given statement the figure will be as shown alongside.
Clearly, the length of the rectangular field including the path = 30 m.
Breadth = 27 m.
Its Area = 30× 27 = 810 m2
Width of the path = 2.5 m
Length of the rectangular field including the path = 30 - 2.5 - 2.5 = 25 m.
Breadth = 27 - 2.5 - 2.5 = 22m
Area of the rectangular field including the path = 25× 22 = 550 m2
Hence, area of the path = 810 - 550 = 260 m2