Maths
Across
- 3. Lines that intersect to form right angles
- 8. Used to measure angles
Down
- 1. triangle where all sides are different lengths
- 2. Flat surface that continues in all directions
- 4. All sides of this triangle are equal
- 5. Angle that masures 180 degrees
- 6. A branch of maths
- 7. Angle that measures exactly 90 degrees