Question

the sides of a rectangular park are in the ratio4:3. if its area is 2028sq.m,find the cost of fencing it at rs3per meter

Answer 1

it is a right answer and confirm

Answer 2

let the length be the 4x and breadth be the 3x
area of rect.=length*breadth
2028=4x*3x
2028=12x²
2028/12=x²
x²=169
x=√169
x=13
length=4x=4*13=52
breadth=3x=3*13=39
perimeter
2(length+breadth)
2(52+39)
2(91)
182
cost fencing 1 meter =3rs.
cost of fencing 182 meter=3*182
                                          =Rs.546