Maths Class 7 Perimeter and Area

Asked by Y.JESSICA GEONA RAJ · Home School

A community park needs to be fenced for safety. The park is rectangular, measuring 10 meters in length and 3 meters in width. A fencing contractor charges ₹10 per meter for the work. What is the total cost of fencing the park?

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Answer: C. Rs.260

Fencing goes around the park, so find the perimeter: 2 x (10 + 3) = 2 x 13 = 26 m. Cost = 26 x Rs 10 = Rs 260. Rs 300 would be area x rate, which is the wrong measure.

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