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To find the perimeter and area of the L-shaped room, we first need to determine all the side lengths.
The given dimensions are:
- Top horizontal length: 8 m
- Left vertical length: 5 m
- Inner horizontal length (bottom part of the 'L'): 5 m
- Outer right vertical length: 3 m
Let's deduce the missing lengths:
- The full bottom horizontal length: The total top length is 8 m. The inner horizontal segment is 5 m. Therefore, the remaining bottom horizontal segment is $8 m -