12.2.3 Dilations Flashcards
1
Q
dilation, or similarity transformation
A
is a transformation in which the lines connecting every point P with its image P’ all intersect at a point C, called the center of dilation, and CP’/CP is the same for every point P.
2
Q
center of dilation,
A
and CP’/CP is the same for every point P.
3
Q
dilation with a scale factor greater than 1
A
an enlargement, or expansion
4
Q
dilation with a scale factor greater than 0 but less than 1
A
a reduction, or contraction