Solve the Problem $\sqrt{432} \mathrm{ft}=216 \mathrm{ft}$ B) $\sqrt{432} \mathrm{ft} \approx 20.8 \mathrm{ft}$

Solve the problem. Give an exact answer and an approximation to the nearest tenth.
-Below is a diagram of a water slide. How far is it along the ground from the end of the slide back to the base of the ladder that leads to the slide?

A) $\sqrt{432} \mathrm{ft}=216 \mathrm{ft}$
B) $\sqrt{432} \mathrm{ft} \approx 20.8 \mathrm{ft}$
C) $\sqrt{12} \mathrm{ft} \approx 3.5 \mathrm{ft}$
D) $\sqrt{720} \mathrm{ft} \approx 26.8 \mathrm{ft}$