Algebra-2

Question Analysis
This problem assesses the understanding of the tangent ratio in a right triangle.

Key Concept Explanation
The tangent of an angle in a right triangle is the ratio of the length of the opposite side to the length of the adjacent side. This can be expressed as .

Step-by-step Solution
1. Identify the given values: Opposite side = 18 units, Adjacent side = 6 units.
2. Apply the tangent formula:

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