Set 5: Trigonometry (Intermediate)

[Variation 5] **Choice A is the best answer.** Reference angle for 210 degrees is 30 degrees

Explanation

Answer: A

PROBLEM

It is well-documented that what is the reference angle for 210 degrees?

What is the reference angle for 210 degrees?

30 degrees

✓ Correct

210 degrees

150 degrees

60 degrees

Detailed Explanation

[Variation 5] Choice A is the best answer. Reference angle for 210 degrees is 30 degrees

Why others are wrong:

B: 210 degrees is incorrect because it does not satisfy the equation.

C: 150 degrees is incorrect because it does not satisfy the equation.

D: 60 degrees is incorrect because it does not satisfy the equation.