Question
In Figure, write another name for:

$i.\ \angle1$
$ii.\ \angle2$
$iii.\ \angle3$
$iv.\ \angle4$

Answer

$i.\ $Another name for $\angle1$ is $\angle\text{BOD}.$
$ii.\ $Another name for $\angle2$ is $\angle\text{BOC}.$
$iii.\ $Another name for $\angle3$ is $\angle\text{AOC}.$
$iv.\ $Another name for $\angle4$ is $\angle\text{AOD.}$

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