9/14 Angles and Angle addition

21

17

18

9

angles 3 and 5

angles 2 and 7

angles 6 and 3

angles 5 and 2

angles 1 and 7

angles 4 and 7

angles 3 and 5

angles 3 and 6

angles 4 and 6

angles 3 and 5

angles 1 and 7

angles 3 and 4

angles 1 and 7

angles 4 and 5

angles 6 and 2

angles 1 and 4

angles 1 and 7

angles 6 and 5

angles 3 and 5

angles 4 and 5

90

45

180

100

100

90

180

45

100

180

45

90

congruent

obtuse

supplementary

90 degrees

8

-10

90

15

2

45

3

9

7

11

6

5