Question

name the marked angle in 2 different ways.

Explanation:

Step1: Identify the vertex and sides

The marked angle has vertex \( A \), and its sides are \( AD \) (or \( DA \)) and \( AB \) (or \( BA \)). Also, since it's at vertex \( A \) between \( D \) and \( B \), we can name it using the vertex or the three points.

Step2: Name using three points

Using the three - point notation, the angle can be named \( \angle DAB \) (or \( \angle BAD \)) because the middle letter is the vertex \( A \), and the other two letters are on the sides of the angle.

Step3: Name using the vertex

Since there is only one angle at vertex \( A \) (the marked one in the context of the diagram as per the problem's requirement to name the marked angle), we can also name it \( \angle A \).

Answer:

\( \angle DAB \), \( \angle A \) (or \( \angle BAD \), \( \angle A \))