(A) For what purpose do we use a protact?
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Answer:
to measure and construct angles
Answered by
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Answer:
To measure & construct angles
Step-by-step explanation:
A protractor is a measuring instrument, typically made of transparent plastic or metal, for measuring angles.
Some protractors are simple half-discs. More advanced protractors, such as the bevel protractor, have one or two swinging arms, which can be used to help measure the angle.
Most protractors measure angles in degrees (°). Radian-scale protractors measure angles in radians. Most protractors are divided into 180 equal parts. Some precision protractors further divide degrees into arcminutes.
They are used for a variety of mechanical and engineering-related applications. One common use is in geometry lessons in schools.
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