Question

name the marked angle in 2 different ways.

Explanation:

Step1: Identify the vertex and sides

The marked angle has vertex N, and sides N O and N M.

Step2: Name using three points

Using three points (O, N, M), the angle is $\angle ONM$.

Step3: Name using the vertex

Using just the vertex N, the angle is $\angle N$.

Answer:

$\angle ONM$, $\angle N$