The protractor has a graduated disk, and is adjustable so it can be disposed at any angle.
He was using a protractor, which was divided into Galactic degrees.
protractor: that which extends or lengthens out: applied to muscles.
We'll start with the one with the coconut ice and the protractor, please.
At that point find, by means of a protractor, the angle a projection of the chord makes with the face of the beam.
Then, if we have a protractor, we may apply it to the lines and see how many degrees of angle they contain.
The pupil who cannot see the equality of vertical angles intuitively better than by the use of the protractor is abnormal.
It is also fairly accurate to run a line at any angle to a given line by sighting along two pins stuck in a protractor.
Measure the angle CAX, either in degrees, with a protractor, or by sighting along a piece of paper and marking down the angle.
In the absence of any outdoor work a protractor may be used to measure the exterior angles of a polygon drawn on paper.
1610s, "one who lengthens (an action)," from Medieval Latin protractor, agent noun from Latin protrahere "to draw forward" (see protraction); sense of "instrument for drawing angles" first recorded 1650s.
protractor pro·trac·tor (prō-trāk'tər, prə-)
n.
A muscle that extends a limb or other part.