Question 72
In the right triangle $\lg \frac{a-b}{2} = \frac{1}{2}(\lg a + \lg b - \lg 2)$, where $a \gt b$, $a, b$ are the sides of the triangle. Find the angles of the triangle.
MathNet 2008-part-03 — 165 problems (EN–VI) Question 72
Math Olympiad Vault · MathNet 2008-part-03 — 165 problems (EN–VI)