Place a screw at the 90-degree corner, and then pick a notch for your circle. Move the pencil and Speed Square around the nail and you have a circle. Learn how to cut curves in wood as well.

Mastering degree-radian conversions is crucial for trigonometry and calculus. Radians simplify mathematical formulas, ...

If two 90 degree angles are placed back-to-back (Figure 5), they total 180 degrees. ... Adding two more 90 degree angles totals 360 degrees, which is a full circle (Figure 6). Angles are measured with ...