Angle Bisectors and Incenters

Mr. Major - 10 Dec 06

GeoGebra Drawing Pad

No. Name Definition Algebra
1 Point A   A = (-1.57, 6.3)
2 Point B   B = (11, 5)
3 Point C   C = (0.67, 1.2)
4 Polygon P Polygon A, B, C P = 30.59
4 Segment c Segment[A, B] of Polygon P c = 12.63
4 Segment a Segment[B, C] of Polygon P a = 11.01
4 Segment b Segment[C, A] of Polygon P b = 5.57
5 Line d Angular bisector of B, A, C d: 0.59x + 0.81y = 4.16
6 Line e Angular bisector of A, B, C e: 0.12x - 0.99y = -3.59
7 Line f Angular bisector of B, C, A f: -0.92x + 0.39y = -0.14
8 Point D intersection point of f, d D = (1.79, 3.85)
9 Number g Distance between D and b g = 2.09
10 Number h Distance between D and a h = 2.09
11 Number i Distance between D and c i = 2.09
12 Point E Point on c E = (6.46, 5.47)
13 Line j Line through D perpendicular to c j: -12.24x + 1.27y = -17.1
14 Point F intersection point of c, j F = (2.01, 5.93)
15 Circle k Circle with center D through F k: (x - 1.79)² + (y - 3.85)² = 4.39
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