Across
- 1. A triangle with an angle greater then 90 degrees.
- 3. A shape formed by 2 rays that meet at a vertex.
- 5. Mathematician known for his theorem about right angle triangles.
Down
- 2. A triangle with three equal sides and three 60 degree angles.
- 4. A triangle with a 90 degree angle.
- 6. A triangle in which all angles are less than 90 degrees.