平角 (píng jiǎ) — straight angle

Определение

Примеры

• 一个平角等于两个直角。
  Yí gè píng jiǎ děng yú liǎng gè zhí jiǎo.
  A straight angle equals two right angles.
• 老师让我们在纸上画一个平角。
  Lǎo shī ràng wǒ men zài zhǐ shàng huà yí gè píng jiǎ.
  The teacher asked us to draw a straight angle on paper.
• 这个平角的角度正好是180度。
  Zhè ge píng jiǎ de jiǎo dù zhèng hǎo shì 180 dù.
  The angle of this straight angle is exactly 180 degrees.