Across
- 4. three parallel lines theorem states that if three _______ lines intersect two transversals, then they divide the transversals proportionally
- 6. parallel lines are coplanar lines that do not __________
- 10. similar figures are geometric figures that have the _____ _____ but not necessarily the same size
- 12. perpendicular lines are two lines that intersect to form a _______ angle
- 13. corresponding parts are a pair of sides or angles that have the same relative position in two _________ figures
- 14. scale factor is the ratio of the lengths of the _____________ sides of the image and the preimage of a dilation
Down
- 1. if two polygons are ________, then the ratio of their areas is equal to the squares of the ratios of their corresponding side lengths
- 2. if two polygons are similar, then the ratio of their ____________ is equal to the ratio of their corresponding side lengths
- 3. angle angle similarity theorem states that if two angles of one _______ are congruent to two angles of another triangle, then the two triangles are similar
- 5. similarity transformation is a dilation or a ______ of rigid motions and dilations
- 6. triangle proportionality theorem states that if a line parallel to one side of a triangle _______ the other two sides, then it divides the two sides proportionally
- 7. side angle side similarity theorem states that if an angle of one triangle is __________ to an angle of a second triangle and the lengths of the side including these angles are proportional, then the triangles are similar
- 8. corresponding angles are two angles that are formed by two lines and a ___________ that are in corresponding positions
- 9. side side side similarity theorem states that if the corresponding side lengths of two triangles are ________, then the triangles are similar
- 11. triangle angle bisector theorem states that if a ray _____ an angle of a triangle, then it divides the opposite side into segments whose lengths are proportional to the lengths of the other two sides