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Dilate. When you have your eyes checked, the optometrist sometimes. dilates one or both of the pupils of your eyes. 1 ACTIVITY: Comparing Triangles in a Coordinate Plane. Work with a partner. Write the coordinates of the vertices of the blue triangle. Then write the coordinates of the vertices of the red triangle. a.
Vocab! Dilation: A ________________________________________ in which a figure is made __________________ . or _____________________ with respect to a ___________________ called the ___________________ of . ____________________________. Example: The ____________ polygon has Label it.
Algebraic Rule: 6. Graph the dilation of the object shown using a scale factor of 1/4. Algebraic Rule: Applications: 7. The package for a model airplane states the scale is 1:63.
Example 1: 1. Since the scale factor is 4, will the dilation result in an enlargement or a reduction? Explain. 2. Why didn’t the coordinates for vertex A change after the dilation was applied? 3. Using a scale factor of 4, what does the point (x, y) become after the scale factor is applied? (x, y) à (_____, _____) Pg. 489
Target 1 – Use proportions to identify lengths of corresponding parts in similar figures. Target 2 – Perform and identify dilations. Target 3 – Use ratios of lengths, perimeter, & area to determine unknown corresponding parts.
Transformations Interactive Notes. This product involves four pages of interactive notes on translations, dilations, rotations and reflections. Each note page provides an opportunity for students to complete the definition, examine and compare the angles and sides of the images, list the pre-image and image coordinates and to describe in words ...
Dilating a Figure in the Coordinate Plane. Graph quadrilateral KLMN with vertices K( −3, 6), L(0, 6), M(3, 3), and N( and its image after a dilation with a scale factor of . 1 −3, −3) — 3. SOLUTION. Use the coordinate rule for a dilation with 1 k. =. — 3 to fi nd the coordinates of the vertices of the image.
