Question

the area of a square field is 81 hactares find the cost of fencing the field with a wire at the rate of ₹2.25 per m​

Answer 1

Answer:

Coast of fencing the field= ₹ 81

Step-by-step explanation:

Given-

Area of square= 81 hactares

Solution-

Side of a square is = a

Area of square field= a X a= 81

So, a=✓81= 9

Perimeter of square field= 4 X a

= 4 X 9

= 36

Coast of fencing the field= ₹ 36 X 2.25

= ₹ 81

Formula Used -

Area of square= Side X Side

Perimeter of square= 4 X Side