1. What digit should
appear after this list of
numbers?
4 5 6 6 5 4 4 2 __

2. Answer: 7

3. CLASSIFICATION
of
ANGLES

4. Learning Goals:
During the period, the pupils are
expected to:
1. identify the three classification of
angles;
2. define the three classification of
angles; and
3. classify angles correctly.

5. There are three main classification of angles.
Right angle Acute angle Obtuse angle
A
B C
A
B C
A
B C
Classification Of Angles

6. Right angle: An angle whose measure is 90 degrees.

7. Examples Of Right Angle

8. Obtuse angle: An angle whose measure is greater than 90 degrees.

9. Examples Of Obtuse Angle

10. Acute angle: An angle whose measure is less than 90 degrees.

11. Examples Of Acute Angle

12. A
B
C
D
E
F
P
Q R
Which of the angles below is a right angle, less than a right angle and
greater than a right angle?
Right angle
Greater than a right angle
Less than a right angle
1. 2.
3.