FIGURE CabriII vers. MS-Windows 1.0

Window center x: 0.396875 y: -6.16479166666667 Window size x: 20.7433333333333 y: 12.3825

1: Pt, 0, CN:0, VN:1
Br, W, t, DS:1 1, GT:1, I, nSt
Val: 0 0

2: Axes, 1, CN:1, VN:3
Gr, W, t, DS:1 1, GT:0, I, nSt
Const: 1, Val: 1 0, 0 1

3: Text, 0, CN:0, VN:1
B, W, BTh:2, DS:1 1, GT:0, V, nSt
Val: -353 18 0, nA, nP, TP: -9.33979166666667, -0.47625,TS: 12.144375, -3.86291666666667
"Given a triangle ABC with 
the circumcentre U, the incentre I, the centroid S and the orthocentre H.

a) Drag at A, B or C.   What do you observe by  I, U, H, S?

b) Do you find special cases?

c) What can you observe for the position of S? 
    Do you know a special case of this phenomenon?"
p: 0, System, S: 0 C: 15 Fa: 0

"A", NP: -181, 409, NS: 10, 18
4: Pt, 0, CN:0, VN:1
G, W, t, DS:1 1, GT:2, V, nSt
Val: -4.41854166666667 -10.8479166666667
p: 0, System, S: 0 C: 8 Fa: 0

"B", NP: 229, 350, NS: 12, 18
5: Pt, 0, CN:0, VN:1
G, W, t, DS:1 1, GT:2, V, nSt
Val: 5.953125 -9.15458333333333
p: 0, System, S: 0 C: 8 Fa: 0

"C", NP: 220, 169, NS: 11, 18
6: Pt, 0, CN:0, VN:1
G, W, t, DS:1 1, GT:2, V, nSt
Val: 5.84729166666667 -4.86833333333333
p: 0, System, S: 0 C: 8 Fa: 0

7: Tr, 0, CN:3, VN:0
V, W, t, DS:1 1, GT:0, V, nSt
Const: 4 5 6

"w", NP: 20, 329, NS: 12, 18
8: PBiss, 0, CN:1, VN:2
V, W, t, DS:1 1, GT:0, I, nSt
Const: 7
p: 0, System, S: 0 C: 5 Fa: 0

9: PBiss, 1, CN:1, VN:2
V, W, t, DS:1 1, GT:0, I, nSt
Const: 7

"U", NP: 14, 271, NS: 12, 18
10: Int, 0, CN:2, VN:1
Bl, W, t, DS:1 1, GT:2, V, nSt
Const: 8 9
p: 0, System, S: 0 C: 6 Fa: 0

11: Mid, 2, CN:1, VN:1
V, W, t, DS:1 1, GT:2, I, nSt
Const: 7

12: Mid, 1, CN:1, VN:1
V, W, t, DS:1 1, GT:2, I, nSt
Const: 7

13: Seg, 0, CN:2, VN:0
V, W, t, DS:1 1, GT:0, I, nSt
Const: 4 12

14: Seg, 0, CN:2, VN:0
V, W, t, DS:1 1, GT:0, I, nSt
Const: 11 5

"S", NP: 91, 315, NS: 11, 18
15: Int, 0, CN:2, VN:1
dBr, W, t, DS:1 1, GT:2, V, nSt
Const: 13 14
p: 0, System, S: 0 C: 11 Fa: 0

16: Perp, 0, CN:2, VN:2
V, W, t, DS:1 1, GT:0, I, nSt
Const: 6 7

17: Perp, 512, CN:2, VN:2
V, W, t, DS:1 1, GT:0, I, nSt
Const: 5 7

"H", NP: 259, 402, NS: 12, 18
18: Int, 0, CN:2, VN:1
Br, W, t, DS:1 1, GT:2, V, nSt
Const: 16 17
p: 0, System, S: 0 C: 10 Fa: 0

19: Biss, 0, CN:3, VN:2
V, W, t, DS:1 1, GT:0, I, nSt
Const: 5 4 6

20: Biss, 0, CN:3, VN:2
V, W, t, DS:1 1, GT:0, I, nSt
Const: 5 6 4

"I
", NP: 162, 292, NS: 6, 34
21: Int, 0, CN:2, VN:1
R, W, t, DS:1 1, GT:2, V, nSt
Const: 19 20
p: 0, System, S: 0 C: 3 Fa: 0

22: Text, 0, CN:0, VN:1
lGr, W, BTh:2, DS:1 1, GT:0, I, nSt
Val: 110 453 0, nA, nP, TP: 2.91041666666667, -11.985625,TS: 7.75229166666667, -2.59291666666667
"SCHULLIZENZ  Dümmlerbuch 49060
Elschenbroich/ Seebach:
Dynamisch Geometrie entdecken. Klasse 7/8
© Copyright 2000: 
Verlag  H. Stam GmbH Köln
"
p: 0, System, S: 0 C: 12 Fa: 0