Algebra-2

Question Analysis
This problem assesses the understanding of the sine ratio and its application to find the sine of an angle in a right triangle.

Key Concept Explanation
The sine of an angle in a right triangle is the ratio of the length of the opposite side to the length of the hypotenuse. Mathematically, this is expressed as .

Step-by-step Solution
1. Given: The length of the opposite side is 12 units and the hypotenuse is 20 units.
2. Use the sine ratio:

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