Question

Indicate which pairs of angles are vertically opposite angles.
[1 mark]

Answer 1

Pairs of vertically opposite angles are:
$\angle 1$, $\angle 4$
[0.5 mark]

and ​​​​​​​$\angle 5$, (​​​​​​​$\angle 2$ + ​​​​​​​$\angle 3$)
[0.5 mark]