1. The problem is to find the unknown side or angle in a triangle, but since no specific triangle details are given, let's assume you want to solve for a side using the Pythagorean theorem or the Law of Sines/Law of Cosines. 2. If the triangle is right-angled, use the Pythagorean theorem: $$c^2 = a^2 + b^2$$ where $c$ is the hypotenuse and $a$, $b$ are the other sides. 3. If the triangle is not right-angled, use the Law of Cosines: $$c^2 = a^2 + b^2 - 2ab\cos(C)$$ where $C$ is the angle opposite side $c$. 4. Alternatively, use the Law of Sines: $$\frac{a}{\sin A} = \frac{b}{\sin B} = \frac{c}{\sin C}$$ to find unknown sides or angles. 5. Please provide the specific triangle sides or angles to proceed with calculations.