A rope is tied to the opposite corners of a square field of side 122 m .find the length of the Rope correct to two decimal places.
A horse is tethered to one corner of a field which is in the shape of an equilateral triangle of side 12 m. If the length of the rope is 7 m, find the area of the field which the horse cannot graze. Take √3 = 1.732. Write the answer correct to 2 places of decimal.