zài / jǐ hé tí / zhōng / liǎng gè / bǔ jiǎo / de / dù shù / zhī hé / děng yú / yī bǎi bā shí dù

在几何题中，两个补角的度数之和等于一百八十度。

In geometry problems, the sum of the measures of two supplementary angles equals 180 degrees.