Angle Measurement Ruler

USEFUL MEASUREMENT RESOURCE -- Measure and construct all types of angles, triangles and geometric shapes with this transparent ruler. It measures angles up to 360 degrees and lengths of up to 12" or 30cm PINPOINT ACCURACY -- Measure angles to the nearest degree or to the nearest 5 degrees using the black markings around the circular pivot EASY TO MARK ANGLES -- 20 evenly spaced holes 0.5" apart enable students to mark angles without moving the ruler off the page CLEAR PLASTIC -- The flexible, transparent plastic enables users to view through the angle measurement ruler and easily measure and draw angles and lines DRAW STRAIGHT LINES -- Open the angle measurement ruler to draw straight lines up to 12" or 30cm long. It lays flat on the page when open.STRONG AND DURABLE -- The ruler is made of flexible plastic, which is shatter resistant, and will last for years of use.INCHES AND CENTIMETERS -- In addition to measuring angles, you can measure lengths using either inches or centimeters