A Complete Angle is one that measures 360 degrees, that is, that which occurs when a circular line completes its journey when joining point to point. To draw a fully described angle, it is necessary to draw a complete circle. Placing the point of the compass on a surface and drawing a 360 degree circumference creates a full or perigonal angle around the diameter. It is called perigonal covers the entire plane in the available degrees, when drawing, it is perceived the same as the same circle.
Its application in practice is quite simple, in fact, the compass, which is an instrument with a needle point to be fixed on the work plane and another with a graphite lead, allows the draftsman to draw circumferences and curves of all the sizes, making shapes similar to those we see in the initial image.
In everyday life, saying that a person or a vehicle made a 360-degree turn is making a turn with a resulting full angle regardless of the size of the axis on which it is done, for example, a vial, a lamp post or the trunk of a tree.
Mathematically, a straight angle is worth 2 pi rad, ie 360 ° times one radian. To represent a complete angle, simply draw a semicircle and denote that the junction of the center with one of the sides of the circumference is a complete angle as well. It can be done with a compass or with a protractor, a straight rule should also be used.
