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