Question

what is the other name for ∠abc or ∠cba? 1. ∠b 2. ∠c 3. ∠a 4. ∠t

Explanation:

Step1: Recall angle - naming convention

An angle can be named by its vertex when there is only one angle at that vertex. In \(\angle ABC\) or \(\angle CBA\), the vertex is point \(B\). So, another name for this angle is \(\angle B\).

Answer:

1. \(\angle B\)