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प्रश्न
The length and the breadth of a rectangular plot are 135 m and 65 m. Find, its perimeter and the cost of fencing it at the rate of ₹60 per m.
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उत्तर
Given:
Length (l) = 135 m
Breadth (b) = 65 m
Perimeter = 2 (l + b)
= 2 (135 + 65)
= 2 (200)
= 400 m
∴ Perimeter of rectangular plot is = 400 m
Cost of fencing per m = ₹60
∴ Cost of fencing 400 m = ₹60 × 400 m = ₹24000
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