平角 (píng jiǎ) — straight angle
Definition
A geometric term for a straight angle of 180°, forming a flat line. Distinct from 直角 (90° right angle) and 钝角 (obtuse angle).
noun
straight angle
Beispiele
- 平角。Yí gè píng jiǎ děng yú liǎng gè zhí jiǎo.A straight angle equals two right angles.
- 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.
- 平角180。Zhè ge píng jiǎ de jiǎo dù zhèng hǎo shì 180 dù.The angle of this straight angle is exactly 180 degrees.
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