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# How to Calculate a Sloped Roof Area - how to work with manufacturers to develop skin care products

by：NOX BELLCOW     2019-11-19 There are two ways to define a sloping roof area: The surface area of the roof itself and the area protected by the roof.
Because the roof is located at the oblique edge of the triangle, they have different areas, and the areas protected by them are horizontal.
For example, when determining the area of the sloping roof for rainfall catchment, you calculate the area protected by the roof, but when replacing tiles, you calculate the surface area of the roof itself.
By multiplying the length of the roof by the width, the area protected by the sloping roof is determined.
The result is an area covered by a sloping roof.
For example, a single sloping roof covering a house of 30 feet long and 20 feet wide covers an area of 600 square feet. -30 x 20 = 600.
If the same house has a central roof
The roof ridge divides the roof into two sloping areas, each covering 300 square feet or half of the house.
The surface area of the roof is determined by first measuring the distance along the imaginary horizontal line from the edge of the roof to the point perpendicular below the highest point.
This is the bottom of the triangle.
Record distance.
Determine the height difference between the lowest point on the roof and the highest point.
These are usually places where the roof meets the side walls of the house and where the roof reaches the central ridge.
Deduct the larger height from the smaller height to determine the height of the roof.
This is the vertical edge of the triangle.
For example, if the roof ridge is 25 feet above the ground, the lower edge of the roof is 20 feet above the ground, and the vertical difference is 5 feet: 25-20 = 5.
Replace the width and height determined in steps 2 and 3 with the bidagolas theorem, which states a ^ 2b ^ 2 = c ^ 2, where a and B are the bottom and vertical sides of the triangle, and c is the oblique side.
Solve the equation to determine the inclined width of the roof.
For example, if the horizontal width is 10 feet, the height is 5 feet, and the diagonal edge is 11. 18 feet --
10 ^ 2 5 ^ 2 = 125.
The square root of 125 is 11. 18.
Multiply the diagonal edge by the length of the roof.
The result is the surface area of the sloping roof.
For example, if the inclined surface is 11.
18 feet wide, 30 feet long roof and 335 inclined area. 4 square feet --11. 18 x 30 = 335. 4.
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