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alexdok [17]
3 years ago
11

Which of the following statements about using a protractor are correct?

Mathematics
2 answers:
Leviafan [203]3 years ago
8 0

Answer:

(B) (C) and (D)

Step-by-step explanation:

An instrument for measuring angles, typically in the form of a flat semicircle marked with degrees along the curved edge is known as Protractor.

The protractor measures angles up to 180°, thus option A is incorrect that is the protractor measures angles more than 90°.

In order to construct any angle using the protractor, the vertex of the angle must be at 0° mark, thus option B is correct.

Option C is correct because a ray is a line that has one defined endpoint is called a ray and extends endlessly in one direction and that point must point at 0°.

Also, The protractor measures angles that open from left or from the right, thus option D is correct.

DedPeter [7]3 years ago
3 0
The protractor measures angles that open from left or from the right

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