Illustrative Mathematics - Geometry - Mathematics - Unit 1 - Lesson 17 - Formative Library | Library

1

Quadrilateral ABCD is congruent to quadrilateral A'B'C'D'. Describe a sequence of rigid motions that takes A to A', B to B', C to C', and D to D'.

1

Select all transformations that must take any point A to any point B.

1

Triangle ABC is congruent to triangle A'B'C'. Describe a sequence of rigid motions that takes A to A', B to B', and C to C'.

1

A triangle has rotation symmetry that can take any of its vertices to any of its other vertices. Select all conclusions that we can reach from this.

1

Select all the angles of rotation that produce symmetry for this flower.

1

A right triangle has a line of symmetry. Select all conclusions that must be true.

1

In quadrilateral BADC, AB = AD and BC = DC. The line AC is a line of symmetry for this quadrilateral. Based on the line of symmetry, explain why angles ACB and ACD have the same measure.

1

Which of these constructions would construct a line of reflection that takes the point A to point B?

1

Here is triangle POG. Match the description of the rotation with the image of POG under that rotation.

Draggable item		Corresponding Item
Rotate 240 degrees counterclockwise around O.
Rotate 300 degrees clockwise around O.
Rotate 60 degrees clockwise around P.
Rotate 60 degrees clockwise around O.

This lesson is from Illustrative Mathematics. Geometry, Unit 1, Lesson 17. Internet. Available from https://curriculum.illustrativemathematics.org/HS/teachers/2/1/17/index.html ; accessed 29/July/2021.

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