Using a multi-angle ruler involves several steps that allow for measuring angles beyond the standard 90 degrees found on traditional rulers or protractors. These rulers are often adjustable with rotating arms or adjustable scales that enable the user to set specific angles according to their needs. To use a multi-angle ruler effectively, adjust the arms or scale to your desired angle measurement while ensuring they are securely locked into place. Once locked, align the ruler along the edges of the shape or object that you wish to measure or draw angles on. By utilizing its versatility and adjustability, a multi-angle ruler provides greater flexibility in measuring and constructing complex angles accurately across various projects.