58.1.a

Michael T. Bendorf - 26 Sept 2006

GeoGebra Drawing Pad

No. Name Definition Algebra
1 Point A   A = (14.7, 17.4)
2 Point B   B = (19.03, 9.87)
3 Point C   C = (10.33, 9.87)
4 Line a Line through A, B a: 7.53x + 4.33y = 186.14
5 Line b Line through B, C b: y = 9.87
6 Line c Line through A, C c: 7.53x - 4.37y = 34.76
7 Circle d Circle with center B through C d: (x - 19.03)² + (y - 9.87)² = 75.69
8 Circle e Circle with center C through B e: (x - 10.33)² + (y - 9.87)² = 75.69
9 Point D intersection point of d, e D = (14.68, 2.33)
10 Line f Line through B, D f: 7.53x - 4.35y = 100.49
11 Line g Line through D, C g: -7.53x - 4.35y = -120.78
12 Circle h Circle with center C through A h: (x - 10.33)² + (y - 9.87)² = 75.82
13 Circle k Circle with center A through C k: (x - 14.7)² + (y - 17.4)² = 75.82
14 Point E intersection point of h, k E = (5.99, 17.41)
15 Line i Line through A, E i: -0.01x - 8.71y = -151.73
16 Line j Line through E, C j: 7.55x + 4.34y = 120.83
17 Circle p Circle with center A through B p: (x - 14.7)² + (y - 17.4)² = 75.53
18 Circle q Circle with center B through A q: (x - 19.03)² + (y - 9.87)² = 75.53
19 Point F intersection point of p, q F = (23.39, 17.39)
20 Line l Line through F, A l: -0.01x - 8.69y = -151.42
21 Line m Line through F, B m: 7.52x - 4.36y = 100.13
22 Segment n Segment[A, B] n = 8.69
23 Segment r Segment[B, C] r = 8.7
24 Segment s Segment[C, A] s = 8.71
25 Segment t Segment[A, F] t = 8.69
26 Segment a1 Segment[B, F] a1 = 8.69
27 Segment b1 Segment[A, E] b1 = 8.71
28 Segment c1 Segment[C, E] c1 = 8.71
29 Segment d1 Segment[C, D] d1 = 8.7
30 Segment e1 Segment[B, D] e1 = 8.7
31 Polygon P Polygon A, B, C P = 32.77
31 Segment c2 Segment[A, B] of Polygon P c2 = 8.69
31 Segment a2 Segment[B, C] of Polygon P a2 = 8.7
31 Segment b2 Segment[C, A] of Polygon P b2 = 8.71
32 Polygon Q Polygon A, F, B Q = 32.7
32 Segment b3 Segment[A, F] of Polygon Q b3 = 8.69
32 Segment a3 Segment[F, B] of Polygon Q a3 = 8.69
32 Segment f1 Segment[B, A] of Polygon Q f1 = 8.69
33 Polygon R Polygon B, D, C R = 32.77
33 Segment c3 Segment[B, D] of Polygon R c3 = 8.7
33 Segment b4 Segment[D, C] of Polygon R b4 = 8.7
33 Segment d2 Segment[C, B] of Polygon R d2 = 8.7
34 Polygon S Polygon C, A, E S = 32.83
34 Segment e2 Segment[C, A] of Polygon S e2 = 8.71
34 Segment c4 Segment[A, E] of Polygon S c4 = 8.71
34 Segment a4 Segment[E, C] of Polygon S a4 = 8.71
35 Angle α Angle between C, A, B α = 60.01°
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