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8G11 Dilations
Contributed by: Warren

If the larger rectangle is a dilation

of the smaller rectangle with scale factor 2,

what are the dimensions of the larger rectangle?

2 cm

7 cm
cm
cm
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10

What are the coordinates

of the vertices of the image

of triangle ABC after a

dilation with scale factor 3?

C
A
B

A' (    ,    )

B' (    ,    )

C' (    ,    )

If the larger rectangle is a dilation

of the smaller triangle with scale factor 3,

what are the dimensions of the larger triangle?

13 cm

9 cm

6 cm

cm
cm
cm
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10

What are the coordinates

of the vertices of the image

of rectangle ABCD after a

dilation with scale factor 2?

A

D

B
C

A' (    ,    )

B' (    ,    )

C' (    ,    )

D' (    ,    )

10
A
5
0

What are the coordinates

of the vertices of the image

of triangle ABC after a

dilation with scale factor 5?

B
C
5
10

A' (    ,    )

B' (    ,    )

C' (    ,    )

15
10
A
5
0

What are the coordinates

of the vertices of the image

of pentagon ABCDE after a

dilation with scale factor 2?

E
B
D
5
C
10

A' (    ,    )

B' (    ,    )

C' (    ,    )

D' (    ,    )

E' (    ,    )

15
2
-2
4
-4
6
-6
2
-2
4
-4
6
-6
8
-8
10
-10

What are the coordinates

of the vertices of the image

of trapezoid ABCD after a

dilation with scale factor 3?

A

D

C
B

A' (    ,    )

B' (    ,    )

C' (    ,    )

D' (    ,    )

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