To solve the problem, we need to classify each angle as
acute,
obtuse, or
right. Here's a brief explanation of each type:
-
Acute Angle: An angle that measures less than 90 degrees.
-
Right Angle: An angle that measures exactly 90 degrees.
-
Obtuse Angle: An angle that measures more than 90 degrees but less than 180 degrees.
Now, let's analyze each angle in the image:
Angles:
1.
Angle A (BAC): This angle is less than 90 degrees.
Classification: Acute
2.
Angle E (EFD): This angle is exactly 90 degrees.
Classification: Right
3.
Angle G (GHI): This angle is more than 90 degrees.
Classification: Obtuse
4.
Angle J (JKL): This angle is less than 90 degrees.
Classification: Acute
5.
Angle M (MON): This angle is less than 90 degrees.
Classification: Acute
6.
Angle P (PQR): This angle is exactly 90 degrees.
Classification: Right
7.
Angle S (STU): This angle is more than 90 degrees.
Classification: Obtuse
8.
Angle V (VWX): This angle is less than 90 degrees.
Classification: Acute
9.
Angle Z (YZA): This angle is more than 90 degrees.
Classification: Obtuse
10.
Angle C (BCD): This angle is more than 90 degrees.
Classification: Obtuse
11.
Angle F (EFG): This angle is exactly 90 degrees.
Classification: Right
12.
Angle I (HIJ): This angle is less than 90 degrees.
Classification: Acute
Final Answer:
1. Acute
2. Right
3. Obtuse
4. Acute
5. Acute
6. Right
7. Obtuse
8. Acute
9. Obtuse
10. Obtuse
11. Right
12. Acute
$$
\boxed{\text{Acute, Right, Obtuse, Acute, Acute, Right, Obtuse, Acute, Obtuse, Obtuse, Right, Acute}}
$$
Parent Tip: Review the logic above to help your child master the concept of obtuse angle worksheet.