Each of the following tools or scripts can be investigated and used in your own GSP files. Click here to download the tool folder.
CENTROID TOOL
Constructs the centroid of a triangle given the three vertices. 
CIRCUMCENTER TOOL

INCENTER TOOL
Constructs the incenter of a triangle given the three vertices. 
Click here for the GSP file 
Click here for the GSP file 
Click here for the GSP file 
ORTHOCENTER TOOL

CIRCUMCIRCLE TOOL Construct the circumcircle of a triangle given the three vertices. 
INCIRCLE TOOL Construct the incircle of a triangle given the three vertices. 
Click here for the GSP file 
Click here for the GSP file 
Click here for the GSP file 
EQUILATERAL TRIANGLE TOOL Construct an equilateral triangle given one side. 
MEDIAL TRIANGLE TOOL Construct the medial triangle given the three vertices of a triangle. 

Click here for the GSP file 
Click here for the GSP file 

SQUARE TOOL Construct a square given one side. 
HEXAGON TOOL Construct a regular hexagon given one side. 
TRIANGLE CENTERS TOOL Construct the centroid, orthocenter, incenter, and circumcenter of a triangle given the three vertices. 
Click here for the GSP file 
Click here for the GSP file 
Click here for the GSP file 
TRIANGLE CENTERS WITH EULER LINE TOOL Construct the centroid, orthocenter, and circumcenter of a triangle, with the Euler Line, given the three vertices. 
OCTAGON TOOL Construct a regular octagon given one side. 
PENTAGON TOOL Construct a regular pentagon given one side. 
Click here for the GSP file 
Click here for the GSP file 
Click here for the GSP file 
GOLDEN RATIO SEGMENT TOOL Divides a given segment into the Golden Ratio 
PENTAGON GIVEN RADIUS TOOL 
ISOSCELES TRIANGLE GIVEN BASE AND ALTITUDE TOOL Constructs an isosceles triangle given the base and altitude. 
Click here for the GSP file 
Click here for the GSP file 
Click here for the GSP file 
LOCUS OF VERTEX TOOL Constructs the locus of the vertex given an angle and a segment 

Click here for the GSP file 