Karthika travels 7.5 \(km\) west to Village \(A\) and then \(18 \ km\) north to Village \(B\). Find the distance between the starting point \(C\) and the Village \(B\).
Answer:
The distance between the starting point \(C\) and Village \(B\) is \(km\).
(Note: Round off the answer to \(1\) decimal place, if necessary.)