Me! what is the length of ef in the right triangle below?

a.6
b.180
c.468
d.

e.

f.30

not only in mathematics, scientific proof also are required in the other field of science. also maths proofs are of particular structure, containing steps and logics. so proving is like doing science, it is science. that's why it is important to prove. 

an inaccurate proof leads to errors, or stating results that are not accurate.  which wil mess the probelm up you dont want this

8

step-by-step explanation:

just put √(2) * √(32) into a calculator. that will make the answer be 8.