Question

Find the cost of fencing around the square field whose area is 9 hectares if fencing cost is rs 3.50 paise I need what formula used with brief explanation

Answer 1

Area of field= 9 hectares=90000m^2
Side ^2=90000
side=300m
Perimeter of square=4 x side= 1200m
Cost of fencing it=1200m x 3.50=4200 RS
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Answer 2

Given, Area of the square field = 9 * 10000 m^2 = 90000 m^2.

 Side of the field = root 90000

                             = 300m

Perimeter  = 4 * S

                  = 4 * 300
 
                 = 1200


Cost of fencing = 1200 * 3.50

                          = 4200.


Hope this helps!