Question Analysis
The main focus of this question is to find the tangent of in a right - triangle. It requires understanding the definition of tangent and correctly identifying the opposite and adjacent sides relative to .
Key Concept Explanation
In a right - triangle, the tangent of an acute angle is defined as . The opposite side is the side directly opposite the angle , and the adjacent side is the side next to (excluding the hypotenuse).
Step - by - Step Solution
1. Find the length of side :
Using the Pythagorean theorem , where (hypotenuse) and . Let , then .
2. Identify the sides relative to :
The side opposite to is , and the side adjacent to