Shapes and Solutions

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Across
  1. 4. A rectangle with all four sides equal
  2. 9. To arrange into types
  3. 10. A quadrilateral with opposite sides parallel and equal
  4. 12. A simple, rough drawing
  5. 13. A parallelogram with four equal sides and with no right angles
  6. 15. A parallelogram all of whose angles are right angles(one with adjacent sides of unequal length)
  7. 16. A round plane figure whose boundary consists of points equidistant from a fixed point
Down
  1. 1. A polygon having three sides
  2. 2. To make certain that something is correct or true
  3. 3. A polygon of four sides
  4. 5. To calculate or to judge the value
  5. 6. A shape with four sides, only two of which are parallel
  6. 7. To judge or to calculate roughly or approximately
  7. 8. To find out by using numbers
  8. 11. To put into a desired order
  9. 14. To find out exactly by making calculation or by collecting information