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- What will be the cost of gardening 2-meter boundary around a rectangular plot having a perimeter of 340 meters at the rate of Rs.
Question 1:
What will be the cost of gardening 2-meter boundary around a rectangular plot having a perimeter of 340 meters at the rate of Rs. 10 per square meter? A. Rs. 3430
B. 3440
Feedback In this question, we are having a perimeter.
We know Perimeter = 2(l+b), right
So,
2(l+b) = 340
As we have to make 2 meter boundary around this, so
Area of boundary = ((l+2)+(b+2)-lb)
= 2(l+b)+4 = 340+4 = 344
So required cost will be = 344 * 10 = 3440
We know Perimeter = 2(l+b), right
So,
2(l+b) = 340
As we have to make 2 meter boundary around this, so
Area of boundary = ((l+2)+(b+2)-lb)
= 2(l+b)+4 = 340+4 = 344
So required cost will be = 344 * 10 = 3440
C. 3450
D. 3460
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