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9710 Opener

Quiz by Michelle Bagley

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Q 1/12
Score 0
What is the initial angle of rotational symmetry for this flower?
29
22.5 degrees
45 degrees
90 degrees
8 degrees

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12 questions

Show answers

Q1
What is the initial angle of rotational symmetry for this flower?
22.5 degrees
45 degrees
90 degrees
8 degrees
30s
Q2
List ALL the angles of rotational symmetry for this flower.
45, 90, 135, 180, 225, 270, 315
45
90, 180, 270
45, 90, 135, 180, 225, 270, 315, 360
30s
Q3
How many lines of reflection symmetry for this flower?
2
8
16
4
30s
Q4
What is this?
regular pentagon
non-regular nonagon
regular nonagon
non-regular pentagon
30s
Q5
This is a regular decagon. How many lines of symmetry does it have?
7
1
10
20
30s
Q6
This is a regular decagon. How many diagonals can be drawn from one vertex?
35
7
1
10
30s
Q7
This is a regular decagon. What is the total number of diagonals that can be drawn?
7
10
1
35
30s
Q8
This is a rhombus; all the sides are congruent. How many lines of symmetry does it have?
2
1
4
0
30s
Q9
This is a rhombus; all the sides are congruent. What is the initial angle of rotation symmetry?
45
90
180
360
30s
Q10
How many lines of symmetry in this shape?
4
1
0
2
30s
Q11
What is the initial angle of rotation for this parallelogram?
360
180
90
0
30s
Q12
What is a quick way to spot a reflection?
Calculate the equation of the line of reflection.
Use patty paper to trace the pre-image and the image, then test for reflections.
Connect the corresponding vertices then use a compass to construct several perpendicular bisectors and see if they are the line of reflection.
Check the orientation of the vertices and see if it changes from the pre-image to the image.
30s

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