In a right triangle, opposite=20, adjacent=48, hypotenuse=52. What is sin θ?

Question: In a right triangle, opposite=20, adjacent=48, hypotenuse=52. What is sin θ?

1. 5/13
2. 21/52
3. 20/53
4. 13/5

Correct Answer: A — 5/13

Explanation: Sine equals opposite side divided by hypotenuse; use the standard angle value when given.
Using the values in this question gives 5/13 as the correct answer.