Download - Angles and Rays
![Page 1: Angles and Rays](https://reader035.vdocument.in/reader035/viewer/2022062310/5681665d550346895dd9e0c4/html5/thumbnails/1.jpg)
Angles and Rays
![Page 2: Angles and Rays](https://reader035.vdocument.in/reader035/viewer/2022062310/5681665d550346895dd9e0c4/html5/thumbnails/2.jpg)
Let’s review first•What is this?
Ray
![Page 3: Angles and Rays](https://reader035.vdocument.in/reader035/viewer/2022062310/5681665d550346895dd9e0c4/html5/thumbnails/3.jpg)
What is this called?
Angle
![Page 4: Angles and Rays](https://reader035.vdocument.in/reader035/viewer/2022062310/5681665d550346895dd9e0c4/html5/thumbnails/4.jpg)
1
2
What are these called?
Sides
![Page 5: Angles and Rays](https://reader035.vdocument.in/reader035/viewer/2022062310/5681665d550346895dd9e0c4/html5/thumbnails/5.jpg)
The above angle is named:
Ray
Ray
C
A
B
ABC CBA B
![Page 6: Angles and Rays](https://reader035.vdocument.in/reader035/viewer/2022062310/5681665d550346895dd9e0c4/html5/thumbnails/6.jpg)
What is this called?
Ray
Ray
Vertex
![Page 7: Angles and Rays](https://reader035.vdocument.in/reader035/viewer/2022062310/5681665d550346895dd9e0c4/html5/thumbnails/7.jpg)
OBTUSE ANGLE
B
X
O
What type of angle is this?
![Page 8: Angles and Rays](https://reader035.vdocument.in/reader035/viewer/2022062310/5681665d550346895dd9e0c4/html5/thumbnails/8.jpg)
RIGHT ANGLE
What type of angle is this?
![Page 9: Angles and Rays](https://reader035.vdocument.in/reader035/viewer/2022062310/5681665d550346895dd9e0c4/html5/thumbnails/9.jpg)
ACUTE ANGLE
Z
X
Y
What type of angle is this?
![Page 10: Angles and Rays](https://reader035.vdocument.in/reader035/viewer/2022062310/5681665d550346895dd9e0c4/html5/thumbnails/10.jpg)
RIGHT ANGLEB
A C
What type of angle is this?
![Page 11: Angles and Rays](https://reader035.vdocument.in/reader035/viewer/2022062310/5681665d550346895dd9e0c4/html5/thumbnails/11.jpg)
OBTUSE ANGLE
M
D
B
What type of angle is this?
![Page 12: Angles and Rays](https://reader035.vdocument.in/reader035/viewer/2022062310/5681665d550346895dd9e0c4/html5/thumbnails/12.jpg)
ACUTE ANGLE
Z
X
Y
What type of angle is this?
![Page 13: Angles and Rays](https://reader035.vdocument.in/reader035/viewer/2022062310/5681665d550346895dd9e0c4/html5/thumbnails/13.jpg)
Turn to page 37 in your math book
• Take the next three minutes to complete numbers 1 -20 on your own. •Write acute, right or obtuse.
![Page 14: Angles and Rays](https://reader035.vdocument.in/reader035/viewer/2022062310/5681665d550346895dd9e0c4/html5/thumbnails/14.jpg)
Check your answers!• 1. Acute 11. Acute• 2. Obtuse 12. Right• 3. Obtuse 13. Acute• 4. Right 14. Obtuse• 5. Acute 15. Acute• 6. Acute 16. Acute• 7. Acute 17. Obtuse• 8. Acute 18. Acute• 9. Obtuse 19. Acute• 10. Right 20. Right
![Page 15: Angles and Rays](https://reader035.vdocument.in/reader035/viewer/2022062310/5681665d550346895dd9e0c4/html5/thumbnails/15.jpg)
Types of Angles
• Narrow Skinny
Z
X
YThe area between the two rays on an acute angle is narrow.
![Page 16: Angles and Rays](https://reader035.vdocument.in/reader035/viewer/2022062310/5681665d550346895dd9e0c4/html5/thumbnails/16.jpg)
Types of Angles
• Wide Fatter
The area between the two rays on an obtuse angle is wide.
M
D
B
![Page 17: Angles and Rays](https://reader035.vdocument.in/reader035/viewer/2022062310/5681665d550346895dd9e0c4/html5/thumbnails/17.jpg)
Lets look at page 38 together.
• 1. The narrowest kind of angle is a(n) ____________________ angle.
Obtuse Acute Right
![Page 18: Angles and Rays](https://reader035.vdocument.in/reader035/viewer/2022062310/5681665d550346895dd9e0c4/html5/thumbnails/18.jpg)
Lets look at page 38 together.
• 2. A(n) ____________________ angle is wider than an acute angle, but narrower than an obtuse angle.
Obtuse Acute Right
![Page 19: Angles and Rays](https://reader035.vdocument.in/reader035/viewer/2022062310/5681665d550346895dd9e0c4/html5/thumbnails/19.jpg)
Lets look at page 38 together.
• 3. A(n) ____________________ angle is wider than a right angle, but narrower than a straight angle.
Obtuse Acute Right
![Page 20: Angles and Rays](https://reader035.vdocument.in/reader035/viewer/2022062310/5681665d550346895dd9e0c4/html5/thumbnails/20.jpg)
Lets look at page 38 together.
• 4. A(n) ____________________ angle is the widest of these kinds of angles.
Straight angle
![Page 21: Angles and Rays](https://reader035.vdocument.in/reader035/viewer/2022062310/5681665d550346895dd9e0c4/html5/thumbnails/21.jpg)
Lets look at page 38 together.
• 5. Underline the correct answer.
• An (acute, obtuse ) angle is wider than a right angle.
![Page 22: Angles and Rays](https://reader035.vdocument.in/reader035/viewer/2022062310/5681665d550346895dd9e0c4/html5/thumbnails/22.jpg)
Homework• Draw each of the four types of angles we just
talked about in class and label them.