In the given figure, AB || CD. If ∠ ABO = 45° and ∠ COD = 100° then ∠ CDO = ?

Question

Philoid · Accepted Answer

∠BOA = 100^o (Opposite pair of angles)

So,

∠BAO = 180^o – 100^o – 45^o

=35^o

∠BAO = ∠CDO =35^o (Corresponding Angles)