Illustrative Mathematics - Geometry - Mathematics - Unit 1 - Lesson 14 - Formative Library | Library

1.

Draw the image of quadrilateral ABCD when rotated 120° counterclockwise around the point D.

N.Q.3

G.CO.4

2.

There is an equilateral triangle, ABC, inscribed in a circle with center D. What is the smallest angle you can rotate triangle ABC around D so that the image of A is B?

N.Q.3

G.CO.4

3.

Which segment is the image of AB when rotated 90° counterclockwise around point P?

N.Q.3

G.CO.4

4.

The semaphore alphabet is a way to use flags to signal messages. Here's how to signal the letter Q. Describe a transformation that would take the right hand flag to the left hand flag.

N.Q.3

G.CO.4

5.

Here are 2 polygons:

Select all sequences of translations, rotations, and reflections below that would take polygon P to polygon Q.

N.Q.3

G.CO.4

6.

1. Draw the image of figure ABC when translated by directed line segment u. Label the image of A as A', the image of B as B', and the image of C as C'.

2. Explain why the line containing AB is parallel to the line containing A'B'.

N.Q.3

G.CO.4

7.

There is a sequence of rigid transformations that takes A to A', B to B', and C to C'. The same sequence takes D to D'. Draw and label D':

N.Q.3

G.CO.4

This lesson is from Illustrative Mathematics. Geometry, Unit 1, Lesson 14. Internet. Available from https://curriculum.illustrativemathematics.org/HS/teachers/2/1/14/index.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.

Illustrative Mathematics - Geometry - Mathematics - Unit 1 - Lesson 14

Draw the image of quadrilateral ABCD when rotated 120° counterclockwise around the point D.

There is an equilateral triangle, ABC, inscribed in a circle with center D. What is the smallest angle you can rotate triangle ABC around D so that the image of A is B?

Which segment is the image of AB when rotated 90° counterclockwise around point P?

The semaphore alphabet is a way to use flags to signal messages. Here's how to signal the letter Q. Describe a transformation that would take the right hand flag to the left hand flag.

Here are 2 polygons:Select all sequences of translations, rotations, and reflections below that would take polygon P to polygon Q.

1. Draw the image of figure ABC when translated by directed line segment u. Label the image of A as A', the image of B as B', and the image of C as C'.2. Explain why the line containing AB is parallel to the line containing A'B'.

There is a sequence of rigid transformations that takes A to A', B to B', and C to C'. The same sequence takes D to D'. Draw and label D':

Here are 2 polygons:

Select all sequences of translations, rotations, and reflections below that would take polygon P to polygon Q.

1. Draw the image of figure ABC when translated by directed line segment u. Label the image of A as A', the image of B as B', and the image of C as C'.

2. Explain why the line containing AB is parallel to the line containing A'B'.