Shapes

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Across
  1. 1. 3D rectangle
  2. 6. Number of sides a heptagon has
  3. 8. 4 sided shape with two parallel but unequal sides
  4. 9. 4 sided shape with two parallel and equal sides
  5. 12. Triangle with one angle greater than 90 degrees
  6. 14. Triangle where all sides and all angles are different
  7. 15. Shape with 9 sides
  8. 16. General name for a shape with 4 sides
Down
  1. 2. Triangle with two equal sides and two equal angles
  2. 3. Shape where the interior angles of the regular version are 72 degrees
  3. 4. Shape with 10 sides
  4. 5. A wonky square
  5. 7. The third angle of a triangle when the others are 24 and 76 degrees
  6. 9. General name for a 3D shape
  7. 10. Triangle with no angle greater than 90 degrees
  8. 11. Angle between 180 and 360 degrees
  9. 13. Vertically opposite angles are this
  10. 15. Each interior angle in a rectangle