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How do you calculate the amount of tiles you need for a floor?
you * it by the length of your floor
How to insure I have proper attic ventilation?
Calculate attic square footage, calculate how much free area you need by dividing the attic square footage by 300. Convert the square feet needed to inches. Split the amount of free area needed equally between the intake and the exhaust. Divide that by 60, for how many vents you'll need.
How many sides do you need to know to calculate the area of a trapezoid?
To calculate the area of a trapezoid, you have to know the lengths of three sides because 1/2*(sum of parallel sides)*perpendicular height = area
Why do you need the height to find the area of a triangle?
Because the formula to calculate the area is height x (base/2)
How does one calculate the surface area of a sphere?
To calculate the surface area of a sphere, you first need to determine its radius. Once you know the radius, you need to square it, or multiply it by itself. Next, you will need to multiply it by 4. Finally, you will multiply that number by pi, or 3.14.
