Given that $AOB$ and $COD$ are straight lines. Find the value(s) of the unknown(s) in each of th

Question

Given that $AOB$ and $COD$ are straight lines. Find the value(s) of the unknown(s) in each of the figures below, stating your reasons clearly.

Accepted Answer

(i) $x=28$ and $y=28$ (ii) $x=70$ and $y=40$

Angles