Question

Help, not exactly sure how to do this?
http://prntscr.com/6idsce

Answer 1

use pythogorian theorem

Answer 2

4^2 + 2^2=x^2
16+4=x^2
x=sqrt20=simplify

Answer 3

im too late lol

Answer 4

well good luck

Answer 5

by using this formula u can get length
distance =

Answer 6

this is same as pythgorian theorem