Objective: I will use proportions to find missing values in similar polygons.
Language: I will use proper notation and labels when using ratios and proportions.
Journal: How can I use the scale factor to find the preimage from the image?
Homework due today: Notes- Similar Polygons and Notes- Dilations
Homework for next time: Notes - Properties of Similar Triangles 7-4 & Notes - Proving Triangles Similar 7-3
Textbook Resources: Chapter 7-2 & 7-6
In Class Practice: Similar Polygons with answers, Applications of Similar Polygons with answers, 7-6 Practice A (1-4 only)
Make sure you complete the notes for the similar polygon lesson and the notes for dilations.
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You can adjust the scale factor to create triangle A'B'C' which is a dilation of triangle ABC. What do you notice about the corresponding angles in triangle ABC and triangle A'B'C'. What do you notice about the ratios of the corresponding sides? What do you think the scale factor represents?