Basic Math Symbols Name

123456789101112131415
Across
  1. 3. distance between points x and y
  2. 7. perpendicular lines (90° angle)
  3. 9. line that start from point A
  4. 11. = 90°
  5. 14. an angle formed by the intersection of two great circles of a sphere.
  6. 15. line from point A to point B
Down
  1. 1. triangle shape
  2. 2. same shapes,not same size
  3. 4. arcsecond, 1′=60″
  4. 5. the measure of the angle formed by the two rays or arms at a common vertex.
  5. 6. arc from point A to point B
  6. 8. equivalence of geometric shapes and size
  7. 10. 1 turn = 360°
  8. 12. formed by two rays
  9. 13. arcminute, 1° = 60′