Where does “鋭角三角形” come from?

鋭角三角形 (Japanese) comes from Japanese 三角形 — a triangle.

鋭角三角形 (Japanese): acute triangle triangle all of the angles of which are acute

Definitions

  1. acute triangle triangle all of the angles of which are acute

Ancestry of “鋭角三角形”, step by step

鋭角三角形 traces back through two separate lines of ancestry.

via Japanese 三角形

StepLanguageWordMeaning
1Japanese三角形a triangle

via Japanese 鋭角

StepLanguageWordMeaning
1Japanese鋭角acute angle
Every word from Japanese 三角形
鋭角三角形 — Etymology, Origin & Word History | Etymology Explorer