Giải thích các bước giải:
a.$\widehat{QOM}=\widehat{MOP}=90^o,\widehat{OPN}=60^o,\widehat{NOQ}=120^o,\widehat{QOP}=180^o,\widehat{MON}=150^o$
b.Các cặp góc kề nhau là :
$(\widehat{QOM},\widehat{MOP}),(\widehat{PON},\widehat{NOQ}), (\widehat{OMP},\widehat{PON}),(\widehat{NOQ},\widehat{QOM}),(\widehat{QOP},\widehat{PON}),(\widehat{POQ},\widehat{NOQ}),(\widehat{NOM},\widehat{NOQ}), (\widehat{NOM},\widehat{QOM})$
b.Các cặp góc kề bù
$(\widehat{QOM},\widehat{MOP}),(\widehat{PON},\widehat{NOQ})$