1.

The perimeter of a rectangular field is 500m and it's length is 150m find:1: it's breadth 2: it's area3: cost of ploughing the field at the rate of rs 1.20 per square meter​

Answer»

Answer:

(i) Perimeter of a rectangle = 2 X (length + breadth) ⇒ 500 m = 2x(150 m + breadth) ⇒ 250 m – 150 m = breadth ∴ breadth = 100 m

(ii) Area of rectangular field = length x breadth = 150 m x 100 m = 15000 m²

(iii) Cost of ploughing the field at the rate of = Rs 1.20 per square m² = area of the field x rate of ploughing = 15000 m² x Rs 1.20 per square METRE = Rs 15000 x 1.20 = Rs 18000

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