Question

Name an angle supplementary to angle DOE... please help, i'll draw out the problem

Answer 1

The sum of two supplementary angles is $180^o$.

$\angle{DOE}+\angle{COD}=\angle{DOE}+\angle{EOA}=180^o$

The supplementary angles of $\angle{DOE}$ are $\angle{COD}$ and $\angle{EOA}$.

Answer 2

< COD is supplementary to < DOE