To get the answer multiply length and width. The answer will come out to be 90 square feet.
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Ah, what a lovely question! To find the square footage of a room, you simply multiply the length by the width. So, for a 9x10 room, you would multiply 9 by 10 to get 90 square feet. Isn't that just delightful? Happy painting!
9x10=90sf
8.361m²
400 square feet.
If it's a square room then the room size is 14 feet by 14 feet
16' x 15' = 240 square feet.