Current location - Training Enrollment Network - Mathematics courses - The seventh mathematical understanding triangle of Jiangsu Education Edition: detailed explanation of bisector and midline of height and angle! How to judge that line?
The seventh mathematical understanding triangle of Jiangsu Education Edition: detailed explanation of bisector and midline of height and angle! How to judge that line?
Height of triangle: in a triangle, draw a vertical line from a vertex to the straight line on its opposite side and the line segment between the vertex and the vertical foot.

Angle bisector of a triangle: The ray drawn from the vertex of an angle and divided into two equal angles is called the angle bisector of this angle. The line segment from the vertex of a triangle to the intersection of its internal angle bisector is called the bisector of the triangle.

Triangle midline: a line segment connecting the vertex of a triangle with the midpoint of its opposite side.

Judgments can be distinguished by definition.