Fencing costs 1.45 per yard, and each unit on the grid represents 50 yards. How much will it cost to fence the plot of land represented by the polygon abcdef

we are given

hexagon as abcdef

and side is 50 yards

now, we can find total fencing length

total fencing length = 6 * side

total fencing length = 6 * 50 yards

total fencing length = 300 yards

we are given

Fencing costs 1.45 per yard

total cost = fencing cost * total fencing length

we can plug it

total cost = 1.45 * 300

total cost is $435 ... Answer