what is a roofing square 17

https://wiki-net.win/index.php/How_to_Calculate_Roof_Square_Footage_for_Accurate_Material_Estimates

A roofing square is a measuring tool used by roofers to calculate and mark precise angles and lengths for cutting materials like shingles or tiles. It looks like a large, L-shaped ruler with detailed measurements and a pitch guide, helping ensure accurate cuts and proper alignment along slopes and edges. While often associated with roofing, it's also handy for various construction and carpentry tasks. This simple but essential tool helps avoid waste and costly mistakes by translating roof plans…