Question

find the length of a rope which a cow must be tethered in order that it may be able to graze an area of 9856sq m ​

Answer 1

Answer:

Step-by-step explanation:

it has to be done ina cricle of radius 'r'

then

area= πr²=9856

22r²÷7=9856

r² =9856×7÷22

r²=64×49

r=7×8

r=56 m

which is the length of the rope