Question

Find the length of the missing side AB . (round to 2 decimal places) ANS. AB = ____ unit.

Answer 1

we use the pythagorean theorem, this is

$\begin{gathered} AB^2=4^2+12^2 \\ AB^2=16+144 \\ AB^2=160 \\ AB=\sqrt[]{160} \\ AB=12.65 \end{gathered}$

Answer: AB = 12.65