There is a narrow rectangular plot, reserved for a school, in mahuli village. The length and breadth of the plot are in the ratio 11:4. At the rate rupees 100 per meter it will cost the village panchayat rupees 75000 to fence the plot. What are the dimensions of the plot.
Answers
Answer:
Step-by-step explanation:
The ratio of length and breadth of rect. Plot = 11:4
Assuming common multiple as x
Length = 11x m breadth = 4x m
Therefore Perimeter of the plot
==> 2(l+b)
==> 2(11x + 4x)
==> 30 x metres
The rate is Rs.100 per metre.
Therefore,
Length × 100 = 75000
30x. × 100 = 75000
30x = 75000/100
30x = 750
x = 750/30
x = 75/3 ==> 25
Therefore,
Length of plot = 11x = 11×25 ==> 275 metre
Breadth of plot = 4x= 4×25 ==>
100 metres
Thus we get dimensions
275 × 100
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Given:
- The Length and Breadth of a rectangular plot are in the ratio of 11:4. & the rate of ₹100 per m it'll cost ₹75000 to fence the plot.
To find:
- The dimensions of the plot?
Solution:
❍ Let's say, that the Length and Breadth of the plot be 11x and 4x respectively.
PERIMETER:
Fencing of the plot requires four sides of the plot. Therefore, we've to find out the perimeter of the rectangular plot.
As we know that, Perimeter is Given by sum of its all sides. i.e. (a + b + c + d). So, Let's Solve —
⠀
- Perimeter is 30x.
⠀
Now,
Cost of Fencing
- At the rate of 100 per metre, it'll cost the village to fence the rectangular plot at ₹75000.
Required Formula:
Therefore,
- Length of the plot, 11x = 11(25) = 275 meters
- Breadth of the plot, 4x = 4(25) = 100 meters
⠀
Thank you!!
@itzshivani