Question

you r a farmer with a round fence field of radius 10m.you tie a goat with the fence the goat can eat exaclty 1/2 of the field .then what is the rope long????​

Answer 1

Answer:

7.07 meters

as the goat can eat 1/2 of the field =1/2×22/7×10×10=22/7×50

:.Length of rope=(22/7÷22/7×50)^1/2

=7.07m