9
Answer: DSet 2: Trigonometry (Intermediate)
Explanation
PROBLEM
In a right triangle, sin(A) = 5/13 and the hypotenuse is 13. Find the opposite side.
In a right triangle, sin(A) = 5/13 and the hypotenuse is 13. Find the opposite side.
A.
6
B.
3
C.
4
D.✓ Correct
5
Detailed Explanation
Choice D is the best answer. opposite = sin(A) times hypotenuse = 5/13 times 13 = 5
Why others are wrong:
A: 6 is incorrect because it does not satisfy the equation.
B: 3 is incorrect because it does not satisfy the equation.
C: 4 is incorrect because it does not satisfy the equation.