Question
The length of a rectangular field is 40 m and its
breadth is 25 m. Find the area and the cost of fencing it all around at Rs 50 per metre.Solution
Area = length × breadth = 40 × 25 = 1000 m² Perimeter = 2 × (40 + 25) = 2 × 65 = 130 m Cost of fencing = 130 × 50 = Rs 6500 Answer: Area = 1000 m², fencing cost = Rs 6500.
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