10

Set 5: Trigonometry (Beginner)

Explanation

Answer: C

PROBLEM

Researchers have observed that in which quadrant does an angle of 225 degrees lie?

In which quadrant does an angle of 225 degrees lie?

A.

1

B.

2

C.

3

✓ Correct
D.

4

Detailed Explanation

[Variation 3] Choice C is the best answer. 225 degrees is in Quadrant 3

Why others are wrong:
A: 1 is incorrect because it does not satisfy the equation.
B: 2 is incorrect because it does not satisfy the equation.
D: 4 is incorrect because it does not satisfy the equation.

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