Bu using Pythagoras theorem
(x^2)+(21)^2=(75)^2
Therefore. 5625-441=(x)^2
X^2=5184
Therefore x=72
Third side length=72 units
i think your answer is B. 27x
I believe the answer would be 16
Hope this helped !
.10248 I think I’m not for sure
The answer is 10 i believe
