Some of the devices used to measure angle are Transit, Protractor and Compass.
Protractors
A sextant.the sextonan astrolabe
There's the protractor, a bevel gauge, and the plain ol' measuring tape with pen and paper.Inclinometer.
if an angle measures 30 then it is acute
the measures of each angle in a dodecogon is 360
A sextant.
Protractors
A sextant.the sextonan astrolabe
An ergometer measures work in science terms.
A protractor measures degrees: 90, 80, 120 etc. If something is 90 degrees it is at a right angle
universal bevel protactor is an angle measuring instrument which measures acute angle ,obtuse angle as well as it is used to layout an angle. its least count is 5 minute.
This work is commonly accomplished by a thermometer.
There's the protractor, a bevel gauge, and the plain ol' measuring tape with pen and paper.Inclinometer.
An angle that measures 210 degrees is a reflex angle.
The third angle measures 18 degrees.
A right angle measures 90 degrees
if an angle measures 30 then it is acute