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Cards In This Set
| Front | Back |
 ACUTE ANGLE |
Measures less than 90 degrees
|
 RIGHT ANGLE |
Measures exactly 90 degrees
|
 OBTUSE ANGLE |
Measures more than 90 degrees
|
 STRAIGHT ANGLE |
Measures exactly 180 degrees
|
 COMPLEMENTARY ANGLES |
Two angles that add up to exactly 90 degrees
|
 NAMING ANGLES |
Name one ray, then the vertex, then the other ray. The vertex must be in the middle of the name
|
 SUPPLEMENTARY ANGLES |
Two angles that add up to exactly 180 degrees
|
