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How much greater is the area of a square that has one side equal to 4 feet than a rectangle that measures 3 feet long and 2 feet wide?
Area of square = 4 x 4 = 16 sq ft; area of rectangle = 3 x 2 = 6 sq ft. Area of the square is two-and-two-thirds that of the rectangle.
What is the area in feet of a 12 inch circle?
The area of a circle is calculated using the formula A = πr^2, where A is the area and r is the radius of the circle. Since the diameter of the circle is 12 inches, the radius would be half of that, which is 6 inches. Converting inches to feet (1 foot = 12 inches), the radius would be 0.5 feet. Plugging this into the formula, the area of a 12-inch circle would be approximately 0.785 square feet.
12 ft x 12 ft What is the square yards?
12 ft * 12 ft = 4 yd * 4 yd = 16 sq yards
How many brick would you need if the area is 320 square feet and one brick is 4x8?
The question does not specify the units used for the size of each brick. Assuming the brick's dimensions are given in inches, each brick covers 4" x 8" = 1/3 ft x 2/3 ft = 2/9 sq ft. Area to be covered = 320 sq ft so minimum number of bricks required = 320 / (2/9) = 1440 bricks. That answer assumes that the area to be covered is well behaved and that all offcuts are used.
What is the square foot of a 21 foot round pool?
If 21 feet is the diameter, divide it by 2 to get the radius. Then use the formula for a circle: area = pi x radius2. 350 sq ft NOT the 35 the other people answered. A sheet of plywood 4' by 8' is 32 Sq ft thats a really small pool.
