Three cows owned by three farmers are tied at three corners of a triangular plot with ropes of 7 m length each. Find the area grazed by the cows.

A horse is thethered to one corner of a rectangular field of dimensions 70 m by 52 m with a rope of length 28 m. Find out the area grazed by the horse.

Three horses are tethered with 7 metre long ropes at the corners of a triangular field having sides 20m, 34m and 42m. Find the area of the plot which can be grazed by the horses. Also, find the area of the plot which remains ungrazed.

Three point sized bodies each of mass M are fixed at three corners of light triangular frame of side length L . About an axis perpendicular to the plane of frame and passing through a corner of frame the moment of inertia of three bodies is

Three point sized bodies each of mass M are fixed at three corners of light triangular frame of side length L . About an axis perpendicular to the plane of frame and passing through centre of frame the moment of inertia of three bodies is