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