MCQ
In the following ray diagram the correctly marked angle are :
- A$\angle\text{i}$ and $\angle\text{e}$
- B$\angle\text{A }$ and $ \angle\text{D}$
- C$\angle\text{i }, \angle\text{e }$ and $ \angle\text{D}$
- ✓$\angle\text{r }, \angle\text{A } $ and $\angle\text{D}.$
