45/90 Degree Triangle Ruler

This multi-sized ruler features two triangles in one! Use the 45 degree side to cut half-square triangles from strips up to 5.5" wide, creating half-square triangles up to a finished size of 5". Or use the 90 degree side to cut quarter triangles that finish up to a 5" finished quarter-square triangle. The math required to cut these angles is incorporated into the easy to read black and white markings, making your next project a breeze!