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20 feet times 40 feet = 800 square feet
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∙ 7y ago
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A 20ft by 40 ft swimming pool is surrounded by a deck d feet wide. what is the area of the deck?
Area of deck = (20+2d)x(40+2d)-(20x40) Area of deck = (20x40)+40d+80d+4d2 -(20x40) Area of deck = 120d+4d2
How many square ft is 18 ft x 18 ft?
There are 324 square feet
How many square ft in 15 ft by 64 ft roof?
960 square feet.
How many square ft are in a room that is 13 ft by 6 ft 9 in.?
87.75 square inches
How many square ft is 35 ft by 50 ft?
1750
How many square feet in 20x40 foot rectangle?
800 square feet.
How many sq ft in a 20x40 garage floor?
To calculate the area of a square or rectangle, multiply the length by the width. In this case, the garage floor is 20 ft. x 40 ft. = 800 sq. ft.
How many sq.ft.in a 20x40 garage floor?
using epoxy paint to do a concrete floor need to know how much square feet it is how do i calculate the square footage?
A 20ft by 40 ft swimming pool is surrounded by a deck d feet wide. what is the area of the deck?
Area of deck = (20+2d)x(40+2d)-(20x40) Area of deck = (20x40)+40d+80d+4d2 -(20x40) Area of deck = 120d+4d2
How many square feet in 20x40?
If the figures represent lengths measured in feet then, 20 x 40 = 800 sq feet
How many ft across in a square acre?
if you have a square acre how many ft. across is it
How many square ft in 18ft by 11 ft?
18-ft x 11-ft = 198 square ft
How many square ft is in a 13 ft by 17 ft room?
221 square feet
How many square ft is 18 ft x 18 ft?
There are 324 square feet
How many square ft in 15 ft by 64 ft roof?
960 square feet.
How many square ft is 100x200 ft?
100-ft x 200-ft = 20,000 square feet
Can you calculate square footage by the perimeter?
You should be able to. Just take the length x the width = square footage. It's not an accurate reflection of what your actual living area is but, that it how it is calculated for appraisal and loan purposes in the U.S. ========== This is incorrect. If your perimeter is 120 it could be made up of many combinations of sides. Say for example 30x30 so the sq ft of that is 900. It could be also 20x40 which has an sq ft. of 800.
