夾きょう角かく

noun

contained angle; included angle

Technical term in geometry referring to the angle formed between two lines or planes.

• 二に直ちょく線せんの夾きょう角かくを求もとめる。

  Find the angle between the two lines.

• この三さん角かく形けいの夾きょう角かくは60度どです。

  The included angle of this triangle is 60 degrees.