CBSE Class 7 Answered
Raju wants to fence the garden in his house which is in the shape of a rectangle having dimensions 25 m x 18 m. Find the cost of fencing at the rate of Rs 200 per metre.
Asked by Topperlearning User | 25 Nov, 2013, 01:44: AM
Expert Answer
The length of the fence required is the perimeter of the rectangular garden.
Given that:
Length (l) = 25 m; Breadth (b) = 18 m
i.e. Perimeter = 2 x (l + b)
= 2 x (25 + 18)
= 2 x 43
= 86 m
So, the perimeter of the garden or the length of the fence required is 86 m.
Cost of fencing 1 m = Rs 200
Thus, Cost of fencing 86 m = Rs 200 x 86 = Rs 17,200
Given that:
Length (l) = 25 m; Breadth (b) = 18 m
i.e. Perimeter = 2 x (l + b)
= 2 x (25 + 18)
= 2 x 43
= 86 m
So, the perimeter of the garden or the length of the fence required is 86 m.
Cost of fencing 1 m = Rs 200
Thus, Cost of fencing 86 m = Rs 200 x 86 = Rs 17,200
Answered by | 25 Nov, 2013, 03:44: AM
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