Correct

夹角

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Strokes

Definition

angle (between two intersecting lines)

Example

As a Noun

included/intersection angle

1
Xiàngliàng
向量
de
的
jiājiǎo
夹角

angle between vectors

2
Sānjiǎoxíng
三角形
liǎngbian
两边
de
的
jiājiǎo
夹角

angle contained by two sides of a triangle