Question

if ac = 30 and bc = 11, find ab.

Explanation:

Step1: Identify the relationship

From the line - segment, we know that \(AC=AB + BC\).

Step2: Solve for \(AB\)

We can rewrite the formula as \(AB=AC - BC\). Substitute \(AC = 30\) and \(BC = 11\) into the formula. So \(AB=30 - 11\).

Answer:

19