Chapter 9 Test - Part 1

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Across
  1. 5. Sine can be written in terms of cosine by using the ____________ of the angle measure.
  2. 6. A triangle with 2 congruent sides.
  3. 7. What famous theorem relates the lengths of the 3 sides of a right triangle?
  4. 9. Shapes that have the same angles, but proportional side lengths are called this.
  5. 11. We use these trig formulas when solving for an angle.
  6. 12. The angle of ___________ is the reference angle when looking up at an object.
Down
  1. 1. Famous acronym for remembering trig ratios.
  2. 2. Cosine uses this side along with the hypotenuse.
  3. 3. This trigonometric ratio uses the opposite and adjacent sides of a right triangle.
  4. 4. The longest side of a right triangle.
  5. 8. A pythagorean ___________ is a set of 3 integers that work with the pythagorean theorem.
  6. 9. This trigonometric ratio uses the opposite and hypotenuse sides of a right triangle.
  7. 10. Another name for the average of two numbers.