三さん等とう分ぶん

noun, noun or participle which takes 'suru'

trisect; divide into three equal parts

Used in mathematical, technical, or everyday contexts for splitting something into three equal portions. Can be used as a noun or with する to mean 'to trisect'.

• ケーキを三さん等とう分ぶんしてください。

  Please divide the cake into three equal parts.

• この線せん分ぶんを三さん等とう分ぶんする点てんを求もとめなさい。

  Find the points that trisect this line segment.