i need to calculate 14-0"x12-6" into square feet. How?
543567
6" is 0.5 feet. So, 14 x 12.5 = 175 square feet.
865884
A = lb = 98 in² (l = length and b = width, both in inches)\nSo b = 98/l\nWorking area W = (l - 8)(b - 4)\n= lb - 4l - 8b + 32\n= 98 - 4l - 8b + 32\n= 130 - 4l - 8b\n= 130 - 4l - 784/l\n\ndW/dl = - 4 + 784/l²\n= 0 for stationary points\nSo 4 = 784/l²\nie 4l² = 784\nThus l² = 196\nl = √196 (ignoring negative result)\n= 14 inches\nd²W/dl² = - 2 * 784/l³ < 0 when l = 14 so area is minimised when l = 14\n\nWhen l = 14 b = 7 (lb = 98)\nSo the dimensions to minimise paper used is 14 inches X 7 inches
1013701
9x4 + 82x6 - 24x12 + 87\n\n36 + 41x12 - 24x12 + 87\n\n36 + 17x12 + 87\n\n36 + 120 + 84 + 87\n\n156 + 84 + 87\n\n240 + 87\n\n327
120890
About 6,000 pounds per square inch
1079085
use this formula\n55x54x53x52x51/120
714329
Area = pi*r^2 = pi*3^2 = 9pi. Thats 28.27 square feet, approx.
225906
Convert the 15' to inches, first note that \n12 inches = 1 foot\n\nmultiply both sides by 15\n\n12 * 15 inches = 15'\n\nok, now how many cubic inches are in 12*15 inches * 4 inches * 2 inches.  Multiply throughout:\n\n12*15*4*2 inches*inches*inches\n\n=\n\n12*15*4*2 inches^3\n\n=\n\n1440 inches^3.\n\nNow how many cubic feet is this?  cube root this idem\n\ncube_root( 1440 ) inches\n\nand since 12 inches = 1 foot, 1 = 1 foot/12 inches so multiplying by 1 foot/12 inches being equivalent to 1 does not chanve value:\n\ncube_root( 1440 ) inches * 1/12 foot\n\nnow cube this:\n\n1440 inches^3 * 1/12^3 foot = 0.83333333333 cubic foot
184662
You can convert it all to inches then divide by 1728 cubic inches/cubit foot to get.\n\n[(22x12)x(110x12)x3]/1728\n(264x1320x3)/1728\n1045440/1728=605 cubic feet\n\nOr you can convert the 3" to what that is in feet by dividing 3 by 12 to get 0.25'\n\n22x110x0.25=605 cubic feet
782936
Convert to sq.ft. first:\n\n132 yd * 132 yd = \n\n396 ft * 396 ft =\n\n156,816 ft ²\n\nNow divide by 43,560, since 1 acre = 43,560 ft ²\n\n156,816 ÷ 43,560 = 3.60\n\n(My answer is exactly half of yours)\n\n~ ♥ ~
571378
1 half acre = 21,780 square feet\n\nSource: Google\n\nJust type in the conversion :)
1087311
step I........     ²√ (sq.inch)\n\nstep II.......    (step I result) / 12\n\nResult from step II is lineal ft.
924059
(11.5+9) x 18= 369 sq feet if you are covering both the kitchen and living room\n\nIf you are just covering the kitchen , you look at 162 sq feet..
431310
12 in^2 times (1 ft/12 in)^2 = 1/12 square feet
534375
6 ft / 4 = 1.5ft (length of one side)\n1.5 X 1.5 = 2.25 sq ft.
528929
i dont have a calculator, but if you do the equation is sin12 then multiply by 15 then divide by 12 for feet
837128
My husband and I just used geometry the other day to estimate how much tile to buy for our 2 bathrooms.  Our bathrooms have a lot of irregular spaces, so we had to measure the entire perimeter of each bathroom.  We then split the bathrooms into different geometric shapes to find the area.  We had to work our formulas for several squares, rectangles, and triangles.   Then we added them all together to come up with the square footage.  After that, we had to estimate how many 12 inch by 12 inch tiles we needed.  It was pretty tricky, but my husband is a math whiz, so it's easy for him.  He's an engineer, go figure...
774480
13.5 x 13.5 would refer to 13 feet, 6 inches by 13 feet, 6 inches. This would give you 182.25 square feet of floor, or ceiling area. 4 x 5.33 window area = 4 feet by 5 feet 4 inches, or 21.33 square feet. This represents 11.7% window area to floor area.