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# Tag Archives: Right Triangles

## How To Estimate The Roofing Sheet Requirement For a Building

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

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. …

## What is the 3-4-5 rule or the 3-4-5 method In Building Work

What is the 3-4-5 rule or the 3-4-5 method In Building Work 1. What is the 3-4-5 rule or the 3-4-5 method? According to the Pythagoras theorem, in a right angle triangle, c2=a2+ b2 Where a,b, & c are the sides of the triangle Suppose, if the side AB = …

## Land Survey Basic Field Notes

Land Survey Basic Field Notes Let’s Come To Join Us we will provide Useful Information & we hope people get benefits from our page, we need your support to spreading knowledge to newcomers. Our Team trying to best provide Knowledge according to the latest standard of Civil Engineering. Our mission …

## Auto-Cad 2D and 3D Commands

Auto-Cad 2D and 3D Commands This is the list of some of the most basic AutoCAD commands which every AutoCAD user should know. These are some of the Draw and Modify commands which make the very basics of AutoCAD and if you are just starting to learn AutoCAD then you should know …