Where does “直角三角形” come from?

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

直角三角形 (Japanese): a right-angled triangle

Definitions

  1. a right-angled triangle

Ancestry of “直角三角形”, step by step

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

via Japanese 三角形

StepLanguageWordMeaning
1Japanese三角形a triangle

via Japanese 直角

StepLanguageWordMeaning
1Japanese直角a right angle
Every word from Japanese 三角形