A solution to last week’s challenge can be found here.
This week's challenge was submitted by @wwatson - Thanks for your submission!
In this week's challenge, a farmer has 7 fields which are all bound by hedges. He provides you with a series of spatial points defining the corners of the fields.
He would like you to calculate the total area of the farm in Sq Km, the perimeter of the farm in Km, the area and perimeter of each field and the total length of the hedges on the farm.