Geometry

Question Analysis

The main focus is to identify the sides of the right - triangle in relation to the angle  for the application of trigonometric ratios.

Key Concept Explanation

Opposite side: The side directly opposite the angle .

Adjacent side: The side adjacent to the angle  (excluding the hypotenuse).

Hypotenuse: The longest side of the right - triangle, opposite the right angle.

Step - by - Step Solution

1. Identify the sides relative to :

The side with length 13 is adjacent to the angle

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