[PDF] Angles - Automaths

What are the different types of angles?

Review the following types of angles: acute, right, obtuse, and straight. Identify and draw types of angles in some practice problems. A right angle is a 90^circ 90? angle. A right angle is in the shape of a perfect corner, like the corner of a rectangular sheet of paper. Below is an example of a right angle.

How do you write an angle?

The angle is the amount of turn between each arm. 1. give the angle a name, usually a lower-case letter like a or b, or sometimes a Greek letter like ? (alpha) or ? (theta) 2. or by the three letters on the shape that define the angle, with the middle letter being where the angle actually is (its vertex).

What is a complete angle?

A complete angle is a 360^circ 360? angle. A complete angle has both rays pointing the exact same direction. That is because we've turned a full circle from the first ray. Below is an example of a complete angle. A ray extends to the right of the vertex. Another ray also extends to the right of the vertex, exactly on top of the first ray.

How to change angle in AutoCAD?

The initial mode is unique in that there is only one angle. This mode is great for identifying various types of angles. Click the ctrl to either show or hide the type. So now you can change the angle by dragging a handle or clicking for a random value. The angle types definitions are listed in the glossary below.