Geometry Crossword Puzzle

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Across
  1. 3. A metric unit for measuring the length, equal to 100 centimeters
  2. 7. lImes with the same distance apart, the lines do not intersect
  3. 8. The diagonals are at the right angle to each other, two sets of equals sides
  4. 11. A plane shape having three or more sides,
  5. 12. polygon with 4 sides, angles add up to 360º
  6. 14. Angles between 90 to 180 usually referred to a type of triangle
  7. 18. A polygon with 5 sides, with all the angles add up to 540º
  8. 19. The distance around the outside of the shape added together, The length of the shape
Down
  1. 1. A triangle with all the side different lengths, all the angles added up together is 180º
  2. 2. The size of the surface takes, it is also measured in squares
  3. 4. An 90º angle, in the corner of a square, or if you spilt a circle in quarters
  4. 5. Line joining two corners together,
  5. 6. a plane shape with three or more sides, etc: triangle, square, pentagon and so on
  6. 9. used to measure large distance, 1000meters
  7. 10. the angle between any side of a shape, and a line extended from the next side.When we add up the all the angles it will be 180°.
  8. 13. How long something is, distance from one end to the other
  9. 15. Polygon with tree sides and three angles, all the angles added up together is 180º
  10. 16. Standard metric units to measure large areas, equals to 10000square
  11. 17. The highest part of the shape, typically on referred to triangles