平方根 へいほうこん Meanings Noun square root Kanji 平 flat. Read as ヘイ. 方 direction. Read as ホウ. 根 root. Read as コン. Example sentences 僕らは9の平方根は3だと学校で習った。We learned at school that the square root of nine is three. 3の平方根は√3と−√3である。The square roots of 3 are √3 and -√3. Word lists Mathematics Jinuma: Japanese Dictionary · Word lists