Identify the definition for each key term

Acute Angle
Adjacent Angles
Complementary Angles
Obtuse Angle
Right Angle
Supplementary Angles
Vertical Angles

definition:
1. Two angles whose sum is 180 degrees
2. Two angles whose sum is 90 degrees
3. An angle that measures less than 90 degrees
4. An angle that measures between 90 and 180 degrees
5. An angle that measures 90 degrees
6. Two angles across from each other when two lines intersect.
7. Two angles that share a vertex and a side

1. Two angles whose sum is 180 degrees: Supplementary Angles

2. Two angles whose sum is 90 degrees: Complementary Angles
3. An angle that measures less than 90 degrees: Acute Angle
4. An angle that measures between 90 and 180 degrees: Obtuse Angle
5. An angle that measures 90 degrees: Right Angle
6. Two angles across from each other when two lines intersect: Vertical Angles
7. Two angles that share a vertex and a side: Adjacent Angles