Transformations

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# Transformations - PowerPoint PPT Presentation

Transformations. Reflections. Mirror line. Example Reflect ABCD in the given mirror line. A. D. C. B. Example Reflect triangle PQR in the given mirror line. Q. R. P. Mirror line. Example Reflect triangle LMN in the given mirror line. Mirror line. L. M. M.

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## PowerPoint Slideshow about 'Transformations' - amelia-hurley

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Presentation Transcript

Reflections

Mirror line

### Example Reflect ABCD in the given mirror line

A

D

C

B

y

4

3

2

1

0

x

–5

–4

–3

–2

–1

1

2

3

4

5

–1

–2

–3

–4

–5

Example Reflect triangle ABC in the x axis

A

C

B

y

4

3

2

1

0

x

–5

–4

–3

–2

–1

1

2

3

4

5

–1

–2

–3

–4

–5

Example Reflect triangle DEF in the y axis

E

F

D

y

4

3

2

1

0

x

–5

–4

–3

–2

–1

1

2

3

4

5

–1

–2

–3

–4

–5

Example Reflect triangle GHK in the line x = 1

H

K

G

y

4

3

2

1

0

x

–5

–4

–3

–2

–1

1

2

3

4

5

–1

–2

–3

–4

–5

Example Reflect triangle LMN in the line

N

M

L

y

4

3

2

1

0

x

–5

–4

–3

–2

–1

1

2

3

4

5

–1

–2

–3

–4

–5

Example Reflect triangle PQR in the line

Q

P

R

Example

• Given ABC with A(1, 3) B(1, 5) and C(4, 5), obtain the image under the following transformations in each case.
• Reflection in
• Reflection in
• Reflection in
• Reflection in

y

4

3

2

1

0

x

–5

–4

–3

–2

–1

1

2

3

4

5

–1

–2

–3

–4

–5

• Example
• Given ABC with A(1, 3) B(1, 5) and C(4, 5), obtain the image under the following transformations in each case.
• Reflection in
• Reflection in
• Reflection in
• Reflection in .

C

B

A

Example

Complete the object below so that it has the given two lines of symmetry.