Angles and Triangles

12345
Across
  1. 2. An angle is formed by two rays with a common endpoint called the...
  2. 3. In what triangle can we use the pythagorean theorem?
  3. 5. Two angles whos sum is 90 degrees
Down
  1. 1. Pairs of angles formed by two intersecting lines
  2. 4. The sum of ____ angles of a triangle is always 180 degrees