Menu Board: Crossword

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Across
  1. 3. the ratio of corresponding sides on two similar figures
  2. 5. the ratios of the length of sides of a triangle
  3. 8. an angle that is formed between the horizontal line and the line of sight
  4. 9. plane figure with four equal straight sides and four right angles
  5. 12. the angles that involve the base of an isosceles triangle
  6. 13. the angle one has to look down from the horizontal to see something on a lower level
  7. 16. consists of three positive integers a, b, and c, such that a2 + b2 = c2
  8. 18. parts that match between two congruent triangles
  9. 19. quadrilateral with reflection symmetry across a diagonal
  10. 20. line segment joining two vertices of a polygon
  11. 21. polygon whose vertex angles are equal
Down
  1. 1. trapezoid in which the top and bottom sides are parallel, while the remaining two non-parallel sides have the same length
  2. 2. the process of resizing an object by a certain scale factor
  3. 4. they share a common shape
  4. 6. polygon which has all sides of the same length
  5. 7. a line that goes across from the middle of one leg to the middle of the other leg
  6. 10. plane figure with four straight sides and four right angles
  7. 11. when a figure is transformed into another through enlargement or reduction in size
  8. 14. quadrilateral in which the opposite sides are parallel and equal
  9. 15. parallelogram with opposite equal acute angles, opposite equal obtuse angles, and four equal sides.
  10. 16. an equation in which two ratios are set equal to each other
  11. 17. quadrilateral that has at least one pair of parallel sides