Unit 2- Working with Triangles- Key Vocabulary

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Across
  1. 3. Two angles that add to a right angle.
  2. 9. Triangles with matching angles and proportional sides.
  3. 10. A direction expressed as a number.
  4. 11. Number used to enlarge or reduce a shape.
  5. 12. Side directly across from the angle in question.
  6. 13. Angle formed when a side of the shape is extended.
  7. 15. Angle larger than a right angle but not straight
  8. 16. Triangles that are exactly the same in size and shape.
  9. 17. The Theorem linking the three sides of a right-angles triangle.
Down
  1. 1. Side next to the angle you're working with.
  2. 2. Angle found inside a shape.
  3. 4. Longest side in a right-angled triangle.
  4. 5. Angle that forms a perfect corner.
  5. 6. Angle formed when looking downward.
  6. 7. Measure of steepness.
  7. 8. Angle smaller than a right angle.
  8. 14. Angle formed when looking upward.