Angles Worksheet
Name: ____________________Date: ____________
Instructions: Measuring angles, classifying acute, right, and obtuse, and solving angle puzzles.
20 problems
- Third angle of a triangle with angles 21° and 142° = ____°
- Third angle of a triangle with angles 12° and 19° = ____°
- Complement of 7° = ____°
- Third angle of a triangle with angles 21° and 55° = ____°
- Complement of 35° = ____°
- Third angle of a triangle with angles 74° and 72° = ____°
- Supplement of 51° = ____°
- Supplement of 23° = ____°
- Complement of 81° = ____°
- Supplement of 18° = ____°
- Complement of 83° = ____°
- Third angle of a triangle with angles 39° and 64° = ____°
- Third angle of a triangle with angles 49° and 66° = ____°
- Supplement of 126° = ____°
- Supplement of 155° = ____°
- Complement of 2° = ____°
- Third angle of a triangle with angles 69° and 18° = ____°
- Supplement of 55° = ____°
- Complement of 25° = ____°
- Supplement of 53° = ____°