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12 questions
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
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)
Describe the transformation.
translation by (x - 1, y + 6)
reflection across x = -2
translation by (x + 6, y - 1)
reflection across y = -2
Describe the transformation.
reflection across the line y = x
reflection across the line y = -x
rotation 180 degrees CCW about the origin
rotation 90 degrees clockwise about the origin
Determine how to translate triangle ABC to triangle A'B'C'.
(x + 2, y - 9)
(x - 2, y + 9)
(x - 9, y + 2)
(x + 9, y - 2)
What type of symmetry does this shape have?
Only Rotational Symmetry
Only Line Symmetry
Both Rotational and Line Symmetry
Neither Rotational nor Line Symmetry
What does NOT change from the pre-image to the image in an isometric transformation?
Select ALL that apply.
The length of the line segments
The position of the figure.
The angle measures.
The orientation of the object.
The area of the image.
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
What is the sequence of transformations for the image given?
Reflect over the y-axis, translate by T6,0
Reflect over the x-axis then translate by T6,0
Reflect over the x-axis then translate by T2,6
Reflect over the y-axis then translate by T2,6
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)
Which diagram shows a dotted line that is not a line of symmetry?
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?
120°
80°
60°
40°
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