So, you need to be very careful which scale you use when measuring the angles. With a protractor, the angles of any shape can found where two lines meet and form a corner. The shapes themselves ...

A wide variety of protractors and angle gages are available that vary in construction ... Sine bars, blocks, tables, or plates are used for precision angular measurement and are used in machine shops, ...

Remember that little half-circle tool from geometry class? We spent so much time learning how to measure angles with a protractor, but honestly, when’s the last time you needed to find the angle ...

So, you need to be very careful which scale you use when measuring the angles. With a protractor, the angles of any shape can found where two lines meet and form a corner. The shapes themselves ...