Triangles and Quadrilaterals

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Across
  1. 2. the third side of an isosceles triangle that is unequal in length to the two congruent sides
  2. 5. each corner of a polygon
  3. 7. triangle with three equal sides
  4. 10. A quadrilateral whose opposite sides are parallel
  5. 11. A polygon with four sides
  6. 14. A line or ray that divides an angle into two equal, smaller angles
  7. 16. equal sides of an isosceles triangle
Down
  1. 1. A quadrilateral with right angled corners and all sides equal in length
  2. 3. triangle with no equal sides
  3. 4. A quadrilateral with two pairs of adjacent sides equal in length
  4. 6. A quadrilateral with all sides equal in length
  5. 8. A quadrilateral with one pair of opposite sides parallel
  6. 9. a closed plane figure with only straight segments which do not cross
  7. 12. A parallelogram with right-angled corners
  8. 13. the vertex between the equal sides of an isosceles triangle
  9. 15. triangle with at least two equal sides