`\color{#a8b0b4}{⸻}\color{#91999d}{⸻}\color{#7a8286}{『}\color{#636b6f}{⛧} \color{#4c5356}{E}\color{#434a4d}{m}\color{#3b4244}{p}\color{#32393b}{p} \color{#2a3133}{t}\color{#21282a}{y}\color{#1a2123}{B}\color{#141a1c}{o} \color{#0f1516}{y} \color{#05090a}{⛧}\color{#0a1011}{』}\color{#141a1c}{⸻}\color{#1a2123}{⸻}`

Các góc khác góc bẹt là :

`\hatA`

`\hatB`

`\hatC`

`\hatD`

`\hat{AOD}`

`\hat{DOC}`

`\hat{COB}`

`\hat{BOA}`

`\hat{DAO}`

`\hat{ADO}`

`\hat{BCO}`

`\hat{CBO}`

`\hat{ODC}`

`\hat{ABO}`

`\hat{BAO}`