A ground is in the shape of rectangle of length 30m and width 20 m inside the lawn there is a lane pf uniform width 2m bordering the ground .the area of lane in m^2 is A. 184m 2 B. 166m 2 C. 225m 2 D. 196m 2 Answer Workspace Report Discuss Answer with explanation Answer: Option A Explanation Length of the rectangular ground = 30 m Breadth of the rectangular ground = 20 m Area of the rectangular ground = L*B ⇒ 30*20 = 600 sq m Given that the lane of uniform width 2 m bordering the ground. Then, Length of the inner rectangular portion = 30 – (2 + 2) = 30 – 4 = 26 m Breadth of the inner rectangular portion = 20 – (2 + 2) = 20 – 4 = 16 m Area of the inner rectangular portion = 26*16 = 416 sq m Area of the lane of uniform width of 2 m = Area of the rectangular ground – Area of the inner rectangular portion ⇒ 600 – 416 = 184 sq m Workspace
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