User:
Geometry Transformations
- Identify reflections, rotations, and translations
- Translations
- Definition
- Graph the image
- Find the coordinates
- Reflections
- Definition
- Graph the image
- Find the coordinates
- Rotations
- Definition
- Graph the image
- Find the coordinates
- Dilations
- Definition
- Classification: Enlargement or reduction
- Graph the image
- Find the coordinates
- Scale factor
- Symmetry
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Dilations: Graph the image
Copy polygon ABCD shown on graph paper. Then draw the image of the figure after a dilation with center A by a scale factor of 2.
Step 1.
Draw a ray AB, extending it to the edges of the grid.
Step 2.
Use a ruler to locate point B' on ray AB such that AB'=2(AB).
Step 3.
Repeat Steps 1 and 2 for points C' and D'. Then draw polygon A'B'C'D' where A=A'
Copy polygon PQRS shown on graph paper. Then draw the image of the figure after a dilation with center S by a scale factor of
.
Step 1.
Draw a ray SP, extending it to the edges of the grid.
Step 2.
Use a ruler to locate point P' on ray SP such that SP'=
.
Step 3.
Repeat Steps 1 and 2 for points R' and Q'. Then draw polygon P'Q'R'S' where S=S'