Trigonometry/Worked Example: Area of a Roof

From Wikibooks, open books for an open world
Jump to: navigation, search
Area of a Roof

The idea of this worked example is to measure the area of a roof, as seen in plan, and then divide by , where is the angle of slope of the roof, to get the area of tiles needed. And then the quantity of tiles. Intention is to use a real roof's plan, where all the slopes are the same.