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Question
Two rectangular plots of length 40 m and width 20 m are as shown:
What is the cost of fencing the plots at ₹ 4 per metre?
Two rectangular plots of length 40 m and width 20 m are as shown:
What is the cost of fencing the plots at ₹ 4 per metre?
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Solution
The correct option is C ₹ 640
The rectangular plots shown form a square of side 40 m.
Perimeter of square = 4×Length
= 4×40
= 160 m
∴ Cost of fencing = (Total Perimeter) x (Cost per metre)
= 160×4 = ₹ 640
The rectangular plots shown form a square of side 40 m.
Perimeter of square = 4×Length
= 4×40
= 160 m
∴ Cost of fencing = (Total Perimeter) x (Cost per metre)
= 160×4 = ₹ 640
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