外角 (wài jiǎ) — (geometry) exterior angle

Definition

Examples

• 三外角形的外角等于不相邻的两个内角之和。
  Sān wài jiǎ xíng de wài jiǎ děng yú bù xiāng lín de liǎng gè nèi jiǎo zhī hé.
  The exterior angle of a triangle equals the sum of the two non-adjacent interior angles.
• 这道题要求你计算这个多边外角形的所有外角。
  Zhè dào tí yāo qiú nǐ jì suàn zhè ge duō biān wài jiǎ xíng de suǒ yǒu wài jiǎ.
  This problem requires you to calculate all the exterior angles of this polygon.
• 正五边外角形的每个外角是72度。
  Zhèng wǔ biān wài jiǎ xíng de měi gè wài jiǎ shì 72 dù.
  Each exterior angle of a regular pentagon is 72 degrees.