Question

@hartnn

Answer 1

have you tried ?
what is perimeter ?
what shape the fence is ?

Answer 2

Can't you just multiply the entire thing by 2 and then add?

Answer 3

yes, jcpd but i want her to figure that out on her own :)

Answer 4

It is addition therefore, my answer is \[1080\sqrt{80} + 500\sqrt{20} = 5320\sqrt{5} ; option b !\]

Answer 5

Woops, sorry.

Answer 6

not actually,

thats why the question,
"what shape the fence is"
is important

Answer 7

:/