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LaTeX コマンド：三角形と合同記号

コマンド	表示
\triangle	$△$
\triangleright	$▹$
\triangleleft	$◃$
\rhd	$⊳$
\lhd	$⊲$
\bigtriangleup	$△$
\bigtriangledown	$▽$
\Delta	$Δ$
\nabla	$\nabla$

コマンド	表示
\equiv	$\equiv$
\sim	$\sim$

中かっこも使える。

\triangle ABC \sim \triangle{ABC}

$△ A B C \sim △ A B C$