Solve the Problem $\mathrm{A}=2 \mathrm{mi} \quad \mathrm{B}=4$ A) $\sqrt{20} \mathrm{mi} \approx 4.5 \mathrm{mi}$

Multiple Choice

Solve the problem. Give an exact answer and an approximation to the nearest tenth.
-A boat travels 2 mi south and then 4 mi east. How far is the boat from its starting point?

$\mathrm{A}=2 \mathrm{mi} \quad \mathrm{B}=4$

A) $\sqrt{20} \mathrm{mi} \approx 4.5 \mathrm{mi}$
B) $\sqrt{20} \mathrm{mi}=10 \mathrm{mi}$
C) $\sqrt{8} \mathrm{mi} \approx 2.8 \mathrm{mi}$
D) $\sqrt{6} \mathrm{mi} \approx 2.4 \mathrm{mi}$