Question

May I please get help with other this problem for I am confused as I have tried multiple times to get the right answer

Answer 1

Using pythagoras

$\begin{gathered} x^2=16^2+12^2 \\ x^2=256+144 \\ x^2=400 \\ \text{Take the square root} \\ x=20 \end{gathered}$

The final answer

$20$