To solve the problem of classifying the angles as acute, obtuse, right, straight, or reflex, we need to understand the definitions of each type of angle:
1.
Acute Angle: An angle that measures less than 90 degrees.
2.
Right Angle: An angle that measures exactly 90 degrees.
3.
Obtuse Angle: An angle that measures more than 90 degrees but less than 180 degrees.
4.
Straight Angle: An angle that measures exactly 180 degrees.
5.
Reflex Angle: An angle that measures more than 180 degrees but less than 360 degrees.
Now, let's classify each angle in the image based on these definitions:
Image Analysis and Classification:
1.
Angle 1:
- The angle is greater than 90 degrees but less than 180 degrees.
-
Classification: Obtuse
2.
Angle 2:
- The angle is exactly 90 degrees.
-
Classification: Right
3.
Angle 3:
- The angle is greater than 180 degrees but less than 360 degrees.
-
Classification: Reflex
4.
Angle 4:
- The angle is less than 90 degrees.
-
Classification: Acute
5.
Angle 5:
- The angle is exactly 90 degrees.
-
Classification: Right
6.
Angle 6:
- The angle is greater than 90 degrees but less than 180 degrees.
-
Classification: Obtuse
7.
Angle 7:
- The angle is exactly 180 degrees.
-
Classification: Straight
8.
Angle 8:
- The angle is greater than 180 degrees but less than 360 degrees.
-
Classification: Reflex
9.
Angle 9:
- The angle is less than 90 degrees.
-
Classification: Acute
Final Answer:
\[
\boxed{
\begin{array}{ccc}
1) & \text{Obtuse} & 2) & \text{Right} & 3) & \text{Reflex} \\
4) & \text{Acute} & 5) & \text{Right} & 6) & \text{Obtuse} \\
7) & \text{Straight} & 8) & \text{Reflex} & 9) & \text{Acute} \\
\end{array}
}
\]
Parent Tip: Review the logic above to help your child master the concept of reflex angle worksheet.