Measurement

1234567891011121314151617181920
Across
  1. 4. Area of a 3D shape like a cube.
  2. 5. Meet at right angles.
  3. 7. part of the inside of a circle like a slice of pie.
  4. 9. Units based on powers of 10.
  5. 11. The distance across circle through the centre.
  6. 12. A 2D shape made from other shapes.
  7. 14. The height of a triangle.
  8. 16. About a metre - imperial unit.
  9. 18. Distance around the boundary.
  10. 20. How many cm in a metre.
Down
  1. 1. Perimeter of a circle.
  2. 2. Triangle with two equal sides.
  3. 3. A 2d shape when folded makes a 3d shape.
  4. 5. A 3d Shape with a constant cross section.
  5. 6. A quarter of a circle.
  6. 8. Triangle with no equal sides.
  7. 10. Part of a circle.
  8. 13. Half a circle
  9. 15. How many mm in a cm?
  10. 17. 3.1416. . .
  11. 18. Sides that do not intersect.
  12. 19. The distance from centre to circle.