2024年12月北美A卷 · 第 21 题

For triangle \(ABC\), the length of \(AB\) is 11 less than the length of \(AC\). Point \(D\) (not shown) lies on \(AC\) such that \(BD\) (not shown) is perpendicular to \(AC\). What is the value of \(\frac{BC}{BD}\)?