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Which of the following statements is true? A reference angle may be obtuse. A reference angle is always acute. A reference angle is between 0 and 180 degrees. A reference angle can be negative.
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5 votes
Which of the following statements is true?

A reference angle may be obtuse.
A reference angle is always acute.
A reference angle is between 0 and 180 degrees.
A reference angle can be negative.

User Abhilash Ranjan
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6.0k points

2 Answers

7 votes
A reference angle is always acute
User Suresh Vishnoi
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6.0k points
4 votes
A reference angle is always acute.

Reference angles are formed by the terminal side of theta and the horizontal axis. Since reference angles are always between 0° and 90°, they are always acute angles.
User Brian Schmitz
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5.6k points
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