锐角 (ruì jiǎo) — acute angle

Definizione

Esempi

• 比直角小的角是锐角。
  Bǐ zhí jiǎo xiǎo de jiǎo shì ruì jiǎo.
  An angle smaller than a right angle is an acute angle.
• 这个三角形有三个锐角。
  Zhè ge sān jiǎo xíng yǒu sān gè ruì jiǎo.
  This triangle has three acute angles.
• 请画一个锐角。
  Qǐng huà yí gè ruì jiǎo.
  Please draw an acute angle.