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12' by 12' with 9-ft ceilings:

-- Floor = 144 square feet

-- Ceiling = 144 square feet

-- Each wall = 108 square feet

Total interior surface area of the room = (2 x 144) + (4 x 108) =

720 square feet.

(Less windows, recessed light fixtures, doors, electrical

outlets, etc.)

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John Louie

Lvl 2
5d ago

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