An electrical engineer had a task of providing a system of lighting for the shown lake. Calculate the number of electric posts required for the lake (to the nearest 5 posts), knowing that each Feddan needs at least 4 posts. 30m -7x24m=168m- -45m- 45.00 51.67 43.91 30.87, 40.14 43.10 52.61 45.00 45m 45.00 47.56 Lake 47.79 32.314 42.29 47.24 8x30m-240m- 58.84 42.05 45.00 65m