the sides of rectangular park are in the ratio 4:3.if its area is 1728m.sq,find the cost of fencing it at Rs.30 per metre.
subject:-maths.
sorry i wrote wrong but the subject is maths.
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Given: Area of rectanglar park =1728m²
let side of rectangle=4x and 3x
Area of park =4x * 3x
1728=12x²
1728/12=x²
x²=144
x=12
So, sides of rectangle are
3x=3*12=36m
4x=4*12=48m
perimeter of rectanglar park =2(36+48)
=168m
cost of fencing it at Rs.30 per meter
cost of fencing 168m=168*30
=5040Rs
let side of rectangle=4x and 3x
Area of park =4x * 3x
1728=12x²
1728/12=x²
x²=144
x=12
So, sides of rectangle are
3x=3*12=36m
4x=4*12=48m
perimeter of rectanglar park =2(36+48)
=168m
cost of fencing it at Rs.30 per meter
cost of fencing 168m=168*30
=5040Rs
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