Answer:
Step-by-step explanation:
Pythagoream theorem applies.
The long wires are [tex]\sqrt{45^2+30^2}m[/tex] long, or about 54m long.
The short ones are [tex]\sqrt{20^2+30^2}m[/tex], or about 36m long. You will need 4 of each, so it's [tex]4* 54m + 4*36m = 540m[/tex] of wire