正角

zhèngjiǎo

noun

Meanings

1 positive angle (math)
2 the protagonist; the hero (in a story or play)

Characters

upright; positive; main

Examples

几何里正角的范围是 0 度到 360 度。

Jǐhé lǐ zhèngjiǎo de fànwéi shì líng dù dào sānbǎi liùshí dù.

In geometry, a positive angle ranges from 0 to 360 degrees.

这部戏他演正角，反派是他师弟。

Zhè bù xì tā yǎn zhèngjiǎo, fǎnpài shì tā shīdì.

He plays the hero in this play; his junior fellow disciple plays the villain.

Tips

usage

正角 is a homograph with two readings: zhèngjiǎo means 'positive angle' (math); zhèngjué means 'good guy / hero' in theater and film. Same characters, different second syllable.

mistakes

When reading aloud, pick the pronunciation by context. In drama context (戏, xì) it is zhèngjué; in math context (几何, jǐhé) it is zhèngjiǎo.

Stroke Order

正 zhèng

角 jiǎo