Evaluate $|\sqrt5+2i|$.
To find the absolute value of a complex number, I need to use the formula $|a+bi|=\sqrt{a^2+b^2}$. In this case, $a=\sqrt5$ and $b=2$, so I plug them into the formula and simplify. I get $|\sqrt5+2i|=\sqrt{(\sqrt5)^2+(2)^2}=\sqrt{5+4}=\sqrt9=3$. 