1.8. Supplementary Angles http://www.ck12.org
2. 15◦
3. 97◦
4. 81◦
5. 57◦
6.(x−y)◦
7.(x+y)◦Use the diagram below for exercises 8-9. Note thatNK⊥
←→
IL.
- Name another pair of supplementary angles.
- Ifm^6 INJ= 63 ◦, findm^6 JNL.
For exercises 10-13, determine if the statement is true or false.
- Supplementary angles add up to 180◦.
- Two angles on a straight line are supplementary angles.
- To be supplementary, two angles must be touching.
- It’s possible for two angles in a triangle to be supplementary.
For 14-15, find the value ofx.
14.
15.