Upcoming SlideShare
×

# 9.3 Classifying Angles

5,012 views

Published on

Published in: Education, Technology
4 Likes
Statistics
Notes
• Full Name
Comment goes here.

Are you sure you want to Yes No
• Be the first to comment

Views
Total views
5,012
On SlideShare
0
From Embeds
0
Number of Embeds
169
Actions
Shares
0
224
0
Likes
4
Embeds 0
No embeds

No notes for slide

### 9.3 Classifying Angles

1. 1. 9.3 ­ Classifying Angles Objective: Classify angles and find angle measures. Image: '[mb] Fluorescent Tunnel 6' www.flickr.com/photos/19723192@N00/345237858 1
2. 2. Right Angle Acute Angle Obtuse Angle Straight Angle 2
3. 3. Right Angle  ­ any angle whose  measure is exactly  90 degrees. 3
4. 4. Acute Angle An angle whose measure is  less than 90 degrees. Image: 'From the skies above...' www.flickr.com/photos/40955206@N00/137067985 4
5. 5. Obtuse Angle An angle whose measure is between 90 and 180 degrees. 5
6. 6. Straight Angle An angle whose measure is exactly 180 degrees. Image: 'walkin9...good for health' www.flickr.com/photos/14448739@N00/276945493 6
7. 7. Your Turn: In your math notes and with your group work on PAGE 430  Problems 1 ­ 4 7
8. 8. Vertical Angles A ­ Angles opposite each other. B ­ Have equal measures. Angle A = 135 degrees Angle B = 8
9. 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. 10. Supplementary Angles ­ Two angles whose sum of their measures is 180 degrees. 120 degrees 60 degrees 10
11. 11. Your Turn: In your math notes and with your group work on PAGE 431  Problems A & B 11