3.1 Angles in Triangles p4.notebook March 19, 2018
3.1 Angles in Triangles p4.notebook March 19, 2018
180°
56°
87°
37°
180°
0 180
10 170
20160
30
15040
14050
13060
120
70
110
80
100
90
90
0°
100
80
110
70
120
60
130
50
140
40
150
30
16020
17010
1800
3.1 Angles in Triangles p4.notebook March 19, 2018
3.1 Angles in Triangles p4.notebook March 19, 2018
3.1 Angles in Triangles p4.notebook March 19, 2018
3.1 Angles in Triangles p4.notebook March 19, 2018
3.1 Angles in Triangles p4.notebook March 19, 2018
3.1 Angles in Triangles p4.notebook March 19, 2018
3.1 Angles in Triangles p4.notebook March 19, 2018
3.1 Angles in Triangles p4.notebook March 19, 2018