How many interior areas are listed?

• A. 4 interior areas
• B. 5 interior areas
• C. 6 interior areas
• D. 7 interior areas

Answer: (B)

Counting distinct interior spaces on a cabin plan is what this item asks you to do. You identify each space that is fully enclosed by walls or partitions and serves a separate function. A hallway or passage that simply connects areas doesn’t count by itself unless it’s an enclosed room with its own purpose and doorway. If there are multiple levels, count the interior areas on each level separately.

In the provided layout, there are five such enclosed areas listed. Each area is clearly bounded and labeled as its own space, and there aren’t additional enclosed spaces beyond these five. To verify, trace the walls around each room and confirm a doorway or boundary that separates it from adjacent spaces.