Algebra-2

Question Analysis
This problem assesses the understanding of the sine ratio 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. Given the sine value and the hypotenuse, we can find the length of the opposite side.

Step-by-step Solution
1. Identify the given values: and the hypotenuse is 10 units.
2. Use the sine ratio formula: