Question

Putting question in reply area!

Answer 1

ok here f is diagonal so
f^2 = e^2 + c^2
put in values for e and f
solve for c by getting it by itself

Answer 2

What values do I put in for e and f?

Answer 3

the values they give you in the question

Answer 4

so 7.9' = 4.2' + What?

Answer 5

correct except remember you need to square the values

Answer 6

Okay, thank you :)