Symmetry and Transformations

Which of the following shapes has exactly one line of symmetry?

• Equilateral triangle

• Rectangle

• Isosceles triangle

• Circle

Tags

CCSS.4.G.A.3

How many lines of symmetry does a regular pentagon have?

• 5

• 10

• 0

• 1

Tags

CCSS.4.G.A.3

Which figure does NOT have rotational symmetry?

• Square

• Equilateral triangle

• Scalene triangle

• Circle

Tags

CCSS.HSG.CO.A.4

A figure is rotated 180 degrees about its center. The figure looks exactly the same after rotation. This figure has:(choose the best answer)

• Line symmetry

• Point & Rotational

  symmetry

• Only Rotational symmetry

• No symmetry

Which transformation can map a figure onto itself?

• Dilation K=1

• Reflection

• Rotation

• All of the above

Tags

CCSS.HSG.CO.A.3

A rectangle is reflected over the y-axis. If the original rectangle has vertices at (3, 4), (3, -4), (-3, -4), and (-3, 4), what are the coordinates of the reflected rectangle?

• (3, 4), (3, -4), (-3, -4), (-3, 4)

• (-3, 4), (-3, -4), (3, -4), (3, 4)

• (-3, -4), (-3, 4), (3, 4), (3, -4)

• (3, -4), (3, 4), (-3, 4), (-3, -4)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

What is the minimum degree of rotation (other than 0°) that maps a regular hexagon onto itself?

• 60°

• 120°

• 180°

• 360°

• (2, 5)

• (5, 2)

• (-2, -5)

• (-5, -2)

A square is rotated 90 degrees clockwise about its center. The coordinates of one vertex before rotation are (1, 1). What are the coordinates of this vertex after rotation?

• (1, -1)

• (-1, 1)

• (1, 1)

• (-1, -1)

How many lines of symmetry does a regular octagon have?

• 8

• 4

• 0

• 16

Tags

CCSS.4.G.A.3