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9.3 Classifying Angles
- 6. Straight Angle
An angle whose measure
is exactly 180 degrees.
Image: 'walkin9...good for health'
www.flickr.com/photos/14448739@N00/276945493
6
- 8. Vertical Angles
A
Angles opposite each other.
B
Have equal measures.
Angle A = 135 degrees
Angle B =
8
- 9. Complementary Angles
Two angles whose sum
of their measures is 90 degrees.
es
re
eg
0 d es
re
6
eg
d
30
9
- 10. Supplementary Angles
Two angles whose sum
of their measures is
180 degrees.
120 degrees
60 degrees
10