Across
- 2. "rad"
- 3. " ∢"
- 6. " ∥ "
- 8. It is usually represented by the bar symbol "—"on top of the endpoints
- 9. "∆"
- 10. = 90°
- 12. equivalence of geometric shapes and size
- 13. " |x-y| "
- 14. same shapes, not same size
Down
- 1. "∡"
- 4. " ° "
- 5. "⊥ "
- 6. "π"
- 7. " ⌢ "
- 11. formed by two rays