Illustrative Mathematics - Geometry - Unit 3 - Lesson 11

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11 Questions

Explain how you know that segment DE is not parallel to segment BC.

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Which of these statements is true?

To know whether 2 triangles are similar, it is enough to know the measure of 1 angle.

To know whether 2 triangles are similar, it is enough to know the length of 1 side.

To know whether 2 triangles are similar, it is enough to know the measure of 2 angles in each triangle.

To know whether 2 triangles are similar, it is enough to know the measure of 2 sides in each triangle.

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10.

What is the length of segment DF?

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11.

The triangle ABC  is taken to triangle A'B'C' by a dilation. Select all of the scale factors for the dilation that would result in an image that was smaller than the original figure.

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This lesson is from Illustrative Mathematics. Geometry, Unit 3, Lesson 11. Internet. Available from https://curriculum.illustrativemathematics.org/HS/teachers/2/3/11/index.html ; accessed 29/July/2021.

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