The nose of an airplane has a right circular cone in the center of the propeller. If the cone has a slant height of 17 in. with the base radius being 5.5 in., what is the lateral surface area? A) A = 587 in. ² B) A = 352 in. ² C) A = 260 in. ² D) A = 171 in. ² E) A = 294 in. ²

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Quizplus · Accepted Answer

The lateral surface area of the cone can be found using the formula $L=\pi r\ell$, where $r$ is the radius of the base and $\ell$ is the slant height. Plugging in the given values: $L = \pi(5.5)(17) \approx 294$ in$^2$. Therefore, the best choice is (E).

The Nose of an Airplane Has a Right Circular Cone