the side of a rectangular Park are in ratio 4: 3 if the area is 1728 m square find the cost of fencing it at the rate of rupees 2.50/m
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Let,
length =4x
breadth =3x
Then,
3x X 4x = 1728
=> 12x^2 = 1728
=> x^2 = 1728/12
=> x^2 = 144
=> x = 12 m
length = 4 X 12 = 48m
breadth = 3 X 12 = 36m
Perimeter = 2 X (36+48)m
= 2 X 84 m
= 168m
cost of fencing = Rs.(168 X 2.50)
= Rs. 420
If u satisfied plz mark as brainliest.
length =4x
breadth =3x
Then,
3x X 4x = 1728
=> 12x^2 = 1728
=> x^2 = 1728/12
=> x^2 = 144
=> x = 12 m
length = 4 X 12 = 48m
breadth = 3 X 12 = 36m
Perimeter = 2 X (36+48)m
= 2 X 84 m
= 168m
cost of fencing = Rs.(168 X 2.50)
= Rs. 420
If u satisfied plz mark as brainliest.
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