## Basic Constructions

**As you progress through the technical graphics course you will notice that there are a few constructions that keep reoccurring even as the questions get harder. In this section we will go through in detail all these basic constructions. We will discuss how and why these constructions work and the theory behind how they work. Another main focus in this section is to get you, the student, familiar with the equipment and how to use it correctly as shown in my videos.**

**Click on the links below to get transferred to whatever construction you want to.**

## Lines

Bisecting a line - In this construction you are given a line of any length and you want to divide into two equal parts. |

Perpendicular from a line to an external point - this construction is where you are given a line of any length and a point situated anywhere away from that line. You are then asked to create a line from that point to the line that is perpendicular. (90°) |

Perpendicular to a point on a line - This construction is where you are given a line of any length and a point positioned somewhere on that line. We then want to construct a line from that point that is perpendicular 90° |

Parallel line through a point - In this construction you are given a line of any length and a point positioned anywhere away from the line. You are then required to create a line that is parallel to the given line that passes through the point. |

Perpendicular from the end point of a line - In this construction we are given a line of any length and a point on the end of one side of the line. We are then required to construct a line perpendicular to that line from that point. |

## Angles

Dividing a line into an equal amount of parts - This construction is where you are given a line of any length and you want to divide that line into a certain amount of parts with out actually measuring the distance. |

Bisecting an Angle - this is where you are given a two line that create an angle. we want to split this angle into 2 equal angles. |

Constructing a 90° angle - In this question we want to create a 90° angle without using a set square in the traditional method that we use. |

Constructing a 45° angle - In this question we want to create a 45° angle without using a set square or protractor. |

Constructing a 60° angle - In this question we want to create a 60° angle without using a set square in the traditional method that we use or without using a protractor. |

Constructing a 30° angle - In this question we want to create a 90° angle without using a set square in the traditional method that we use or without using a protractor. |