Illustrative Mathematics - Geometry - Unit 3 - Lesson 6 - Formative Library | Library

1.

Find a sequence of rigid motions and dilations that takes square ABCD to square EFGH.

G.SRT.1.b

G.SRT.1.a

G.CO.6

G.SRT.2

2.

3.

4.

What is our definition of similarity?

G.SRT.1.b

G.SRT.1.a

G.CO.6

G.SRT.2

5.

Triangle DEF is formed by connecting the midpoints of the sides of triangle ABC. The lengths of the sides of DEF are shown. What is the length of BC ?

G.SRT.1.b

G.SRT.1.a

G.CO.6

G.SRT.2

6.

If AB is 12, what is the length of A'B'?

G.SRT.1.b

G.SRT.1.a

G.CO.6

G.SRT.2

7.

8.

9.

A polygon has perimeter 12. It is dilated with a scale factor of k and the resulting image has a perimeter of 8. What is the scale factor?

G.SRT.1.b

G.SRT.1.a

G.CO.6

G.SRT.2

10.

Select all the statements that must be true.

G.SRT.1.b

G.SRT.1.a

G.CO.6

G.SRT.2

This lesson is from Illustrative Mathematics. Geometry, Unit 3, Lesson 6. Internet. Available from https://curriculum.illustrativemathematics.org/HS/teachers/2/3/6/preparation.html ; accessed 29/July/2021.

IM Algebra 1, Geometry, Algebra 2 is © 2019 Illustrative Mathematics. Licensed under the Creative Commons Attribution 4.0 International License (CC BY 4.0).

The Illustrative Mathematics name and logo are not subject to the Creative Commons license and may not be used without the prior and express written consent of Illustrative Mathematics.

These materials include public domain images or openly licensed images that are copyrighted by their respective owners. Openly licensed images remain under the terms of their respective licenses. See the image attribution section for more information.