# Auxiliary constructions on the straight

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In this video I will explain auxiliary constructions on the straight on technical drawing, that is, being able to see how to find the bisector and bisector.

To be able to make perpendicular lines, the square and the bevel can be used or it can also be done with the compass. Usually they will ask you to find the perpendicular lines with the compass, but if they do not specify it, you can use the square and the bevel.

Other lines are parallel, which means that they will always have the same distance from each other and will never cross each other on the same plane.

The bisector of an angle is the line that divides an angle into two exact angles, imagine that it has an angle of 50 degrees, therefore once you find the bisector the angle will be divided into 25 degrees and 25 degrees.

In the video I explain in more detail how to find lines parallel and perpendicular and also bisectors of lines and angles.

Also, if you want to practice what you learned in today's class, you can do the printable exercises with their solutions that I have left you on the web.

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