Tag Archives: trigonometry

How To Estimate The Roofing Sheet Requirement For a Building Let us Calculate the Number Of Roofing Sheets required for the below-given building. Given data: Length of the building = 20 ft. Width of the building = 15 ft. Overhang on all four sides = 1ft Angle θ = 50° Calculation: …

How To Calculate The Length Of Roof Rafters Let us calculate the length of the roof rafter as shown in the below drawing. The length of the roof rafters is calculated in three different methods based on the available data. Let us go through, all of them as explained below. …