Step 1 :Given: angle = $71^\circ$, height = 28 feet
Step 2 :Convert angle to radians: angle_rad = $\frac{71 \times \pi}{180}$
Step 3 :Calculate sine of the angle: sin(angle_rad) = $\sin(1.239183768915974)$
Step 4 :Use sine function to find ladder length: ladder_length = $\frac{28}{\sin(1.239183768915974)}$
Step 5 :Calculate ladder length: ladder_length = 29.61337907322678
Step 6 :Round ladder length to the nearest hundredth: ladder_length_rounded = 29.61
Step 7 :\(\boxed{\text{Final Answer: The length of the ladder is approximately 29.61 feet.}}\)