Geometry

Question Analysis
This problem involves a rectangular-based pyramid with two different slant heights.
The main focus is correctly identifying and calculating each pair of triangular faces separately.

Key Concept Explanation
Surface Area = Base Area + Area of 4 triangle faces
Use correct base side and corresponding slant height for each triangle

Step-by-step explanation
Base = 5 × 3 = 15 ft²
Long sides: 1/2 × 5 × 6 = 15 ⇒ 2 × 15 = 30
S...