angle bisector

Noun

(geometry) A ray that divides an angle into two equal parts.

Japanese Meaning

角の二等分線：角を等しい2つの部分に分割する半直線。

An angle bisector divides an angle into two congruent angles, which is essential for many geometric constructions.

角の二等分線は角を二等分して二つの合同な角を作り、これは多くの幾何学的作図に不可欠です。

Sense（1）

(geometry) A ray that divides an angle into two equal parts.

angle bisectors

（ plural ）