stolma2

Objectives __Dilation -__ preserves the shape but will usualy change the size. __Scalefactor -__ is //n// in this equasion D(x,y) = (//nx,ny)// __Center of dialation__ - a point and an image lie on a straight line that passes through a point. __Contraction -__ a dialation that reduces the picture. __Exspantion -__ a dialation that enlarges the picture.
 * 8.1 Dilations and Scale Factors**

Def of similar figures** - two figures are similar if their is another figure that is congruent do to dialation.
 * 8.2 Similar Polygons

8.3 all about me