Question

pleassse help! I will mark as brainliest :)

Answer 1

I = 8.
k = 4
j = sqrt(8^2 + 4^2) = 8.944.

Answer 2

You can just count squares to find length of i and k:_
i = 8 and k =  4

now find j using pythagoras:-

j  = sqrt ( 8^2 + 4^2) =  sqrt 80  =  4 sqrt5