generally, a protractor refers to a piece of heavy farming equipment that his risen above it's amateur status. see also: "proletariart" "program" "pronoun"
A set-square.
Protractor
It is known as a semi-circular protractor.
A protractor is normally used to construct angles.
A protractor measures the degree of angles and circles.
Protractor .
A circle. ;-)
It is called a protractor.
That tool is called a protractor.
Protractor
A set-square.
It is called a protractor.
A protractor measures the angle between two lines meeting at a point called a vertex. The angle measurement is in degrees.
It is called a protractor.
who invented the protractor?
A full protractor is is a protractor that goes 360 degrees around.
Protractor