Definition
In the case of two lines
To observe movement of circumcenter
To observe movement of three lines
To find place which satisfy a condition (1)
To find place which satisfy a condition (2)
To find place which satisfy a condition (3)
Special case (1)
Special case (2)
Realistic problems (1)
Realistic problems (2)
Realistic problems (2)
Realistic problems (4)
Realistic problems (5)
Three circles (1)
Three circles (2-1)
Three circles (2-2)
Three circles (3)
Definition
In the case of two lines (1)
In the case of two lines (2)
In the case of two lines (3)
In the case of two lines (4)
Definition
To find the point which satisfy a condition
Definition
Definition
Definition
To find the point which satisfy a condition
How to draw
