Reflection and Rotational Symmetry

Which of the following are congruence transformations?

• Rotations

• Translations

• Reflections

• All Three

Tags

CCSS.HSG.CO.B.6

Identify the angles of rotation that maps the image to itself.

• multiples of 120°

• multiples of 180°

• multiples of 90°

• multiples of 60°

Tags

CCSS.HSG.CO.A.4

What sequence of transformations will get you from shape BCD to shape B"C"D" in two steps?

• Rotation, then Rotation

• Rotation, then Dilation

• Reflection, then Rotation

• Translation, then Reflection

Tags

CCSS.8.G.A.3

How many lines of symmetry does an equilateral triangle have and what is the degree of rotational symmetry?

• 0 lines of symmetry and the degree of rotational symmetry is 90

• 3 lines of symmetry and the degree of rotational symmetry is 90

• 1 line of symmetry and the degree of rotational symmetry is 120

• 3 lines of symmetry and the degree of rotational symmetry is 120

Tags

CCSS.HSG.CO.A.4

Point A (4, -2) is reflected over the line y = x, rotated 270 degrees CCW and reflected over the y-axis. What is A'''?

• Point A''' is (4, -2)

• Point A''' is (4, 2)

• Point A''' is (-2, 4)

• Point A''' is (-4, 2)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Describe the transformation.

• translation by (x - 1, y + 6)

• reflection across x = -2

• translation by (x + 6, y - 1)

• reflection across y = -2

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

What is the sequence of transformations for the image given?

• Reflect over the y-axis, translate by T_6,0

• Reflect over the x-axis then translate by T_6,0

• Reflect over the x-axis then translate by T_2,6

• Reflect over the y-axis then translate by T_2,6

Tags

CCSS.8.G.A.3

If you were to rotate ABCD 90° counterclockwise about the origin, what would the coordinate of A' be?

• (-5, 5)

• (-3, 5)

• (-5, 3)

• (-3, 3)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

A nonagon is a nine-sided polygon. If a regular nonagon was rotated about its center point, which angle of rotation would not map the figure onto itself?

Tags

CCSS.HSG.CO.A.4

What is the order and angle of rotation of the flower?

• Order is 6, angle of rotation is 60 degrees

• Order is 4, angle of rotation is 90 degrees

• Order is 3, angle of rotation is 120 degrees

• Order is 6, angle of rotation is 30 degrees

Tags

CCSS.HSG.CO.A.4