9 multiplied by 40 is 360. So the answer is 360 square feet.
to find square feet multiply length by width. in this example 40x60 the answer is square feet 40x60=2400sqft
9'10" * 30' = 910/12 * 30 = 295 square feet
3yards = 9feet add the 2feet to 9feet and you get 11feet total
9 feet is equal to 108 inches.
1 square foot is 0.111 square yards. The floor area is 9feet x 21feet = 189 square feet. Therefore, the total square yards is: 189 square feet x 0.111 square yards/foot squared = 21 square yards Therefore, there is 21 square yards of floor.
regina wants to cover one wall of her room with wallpaper.The wall is 9feet high and 15 feet wide.There is a doorway in the wall that is 3 feet high and 7 feet wide. how many square feet of wallpaper will she need to buy>
Use Pythagoras' theorem: 152-92 = 144 and the square root of 144 is 12 Answer: 12 feet
3feet
If you multiply 8 x 15 you should be close...
3 yds.
9ft = = 274.32 cm
how many square feet in 25 feet by 6 feet