" There are six gates in the park equidistance from each other and no more than two gets are on one straight line. All are interconnect from each other by straight lines. Find the sum of the length of roads required to connect all gates, given distance between two gates is 60m? "In the above question, what is area of the field carved out by these roads, which is not touching side of the field? [taking area of road negligible]

1) 1800√3
2) 2700
3) 3000
4) 1800