AP ICET 11 Sep 2020 Shift 1 Paper

4 cows are tethered one each to the 4 corners of a square field of side 56 meters for grazing so that they can reach one another on its sides at the midpoint. The area (in sq. meters) left un-grazed by the cows is (Take $\mathit{\pi }=\frac{22}{7}$)