1.7. Complementary Angles http://www.ck12.org
7.x◦Use the diagram below for exercises 8-9. Note thatNK⊥
←→
IL.
- Ifm^6 INJ= 60 ◦, findm^6 KNJ.
- Ifm^6 INJ= 70 ◦, findm^6 KNJ.
For 10-15, determine if the statement is true or false.
- Complementary angles add up to 180◦.
- Complementary angles are always 45◦.
- Complementary angles are always next to each other.
- Complementary angles add up to 90◦.
- Two angles that make a right angle are complementary.
- The two non-right angles in a right triangle are complementary.