Vocabulary consisting only from characters you are able to read
整列
seiretsu
standing in a row, forming a line, alignmentsuru
協調
kyouchou
(1)cooperation, conciliation, harmony, (2)firm (market) tone suru
三角形の内角のはπである。
sankakukei no naikaku noha π dearu.
The sum of inner angles of a triangle is π.math