Triangles and Quadrilaterals

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Across
  1. 6. Triangle that has 3 equal sides and 3 equal angles.
  2. 8. Triangle that has one angle greater than 90 degrees.
  3. 11. Lines that intersect and form 90 degree angles
  4. 12. A quadrilateral with 1 pair of parallel sides
  5. 13. Any 2D shape with 3 or more straight and connected sides.
  6. 15. A polygon with 4 sides.
  7. 16. Polygon with 3 sides and the angles of it always add up to equal 180 degrees.
Down
  1. 1. Triangle that has 2 equal sides and 2 equal angles.
  2. 2. A parallelogram with 4 equal sides and 4 right angles.
  3. 3. A quadrilateral with 2 pairs of parallel sides.
  4. 4. A parallelogram with 4 equal sides.
  5. 5. Triangles where all 3 angles are less than 90 degrees.
  6. 7. Triangles that have one 90 degree angle
  7. 9. A parallelogram with 4 right angles.
  8. 10. Triangle that has different sides lengths and different angle measures.
  9. 14. Lines that never intersect and always stay the same distance apart.