As noted in the Introduction, the earliest use of protractors was probably in navigation. Protractors assisted with laying out angles to indicate the actual or desired direction of a ship. Makers ...

A wide variety of protractors and angle gages are available that vary in construction and application. Angle squares consist of a square with angular graduations along the longest face or hypotenuse.

A protractor is used to draw and measure angles. An angle is the amount of turn between two lines. Angles are measured in degrees with the symbol °. Angles can be labelled with 3 letters (eg DEF ...

These multiple tasks are possible because these sets have a series of optional heads (square, center or protractor). Fixed Angle Gage Angle gages have a series of fixed angles for comparative ...

Draw an angle of 50°. Step 1: Draw a straight line using a ruler. Step 2: Place the centre (cross section) of the protractor at one end of the line. This will become the vertex (corner ...

While sparse data makes accurate measurement difficult, most would agree violence and lawlessness are increasing in many parts of PNG. The broader context for this violence includes: rural decay ...

The tip is next, which presents a problem: how do you measure the angle of the tip? You could use a protractor, but that’s not necessary and could present its own problems. One way would be to ...