Name:_
Ess. Geometry
9.6 Dilations
All dilations in the coordinate plane will use the origin (0,0) as the center of dilation. So you can
find the dilation image of a point (x, y) by multiplying the coordinates of the point by the scale
factor n.
Ex. 1:
Ex
Name:_
Geometry
8.2 Applications
1. Whats wrong with this picture?
2. k = _ m = _
60
15
8
k
m
60
30
17
3
3. q = _
4. Each side of the square is _
12 cm
5 6"
q
5. c = _ d = _
6. a = _
60
6
c
d
15 mm
a
8
7. Is a triangle with sides measuring 2 6,3 11,5 3 a
Name:_
Ess. Geometry
7.5 Proportions in Triangles
When two or more parallel lines intersect other lines, proportional segments are formed.
Solve for the variable in the examples below.
The bisector of an angle of a triangle divides the opposite side into