After learning these five kinds, others are basically their "children and grandchildren".

(1) makes a line segment equal to a known line segment.

(2) Make an angle equal to the known angle.

(3) perpendicular bisector is a line segment.

(4) Make an angular bisector

(5) A vertical line passing through a known point.

PS:

1, remember to leave it as a trace when drawing with a ruler.

2. The auxiliary line is a dotted line.

Finally, remember to answer questions and remember to "answer".