Note from the author:
CPM CC3 Lesson 9.1.4
1
1
ΔABC is similar to ΔDEF.
Find the scale factor from ΔABC to ΔDEF.
A
B
C
D
2
1
ΔABC is similar to ΔDEF
find x
A
B
C
D
3
1
ΔABC is similar to ΔDEF
find y
A
B
C
D
4
10
Solve the system of equations, show your work and verify your result.
5
1
Use what you know about the angles in a triangle to find x
A
B
C
D
6
4
A
B
C
D
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