Theyre both essential tools for lessons in geometry an invaluable for creating accurate technical drawings. 360 & 6400 mils Magnifying lense on transparent baseplate for easy use with map. This economical ball-bearing compass comes with a handy protractor.
To be able to establish the measure of an angle by using its complementary (example of the javelin and of the inclined road). Reliable and simple protractor compass for military use. 
Protractor compass how to#
To teach how to place a protractor in order to properly measure an angle. Read the graduation that follows the second side of the angleĬlick and drag the protractor and its blue handles to make some measurements. Align the 0° graduation of the protractor with one of the side of the angle. Position the origin of the protractor on the tip of the angle to measure. A compass, on the other hand, can draw circles of different diameters depending on the placement of the center point and the length of angle between. To draw or measure a full circle, you must flip the protractor over. The most common units of measures for angles are the degree (°) and the radian (rad). In respect to this, what is a protractor and compass The most common protractor is a semicircle with 180 degrees marked on it. To facilitate its usage, the protractor often possesses two graduations going in both directions. Another form of protractors available would be the full disc graduated from 0 to 360°. 
The protractor is graduated from 0 to 180 degrees (°). The most popular version is the half disc split into 180 equal parts that each correspond to one degree. The tool used to measure angles is the protractor.
The intersection of the lines is the tip of the angle. This animation illustrates how to use a protractor to measure an angle.Ĭlick and drag the protractor and its blue handles to make some measurements.Ī plan angle defines the space on the plan delimited by two crossing lines.
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