Symmetry Answers
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Which figure shows a line of reflectional symmetry for the letter T?
A
A letter T is folded at the horizontal line.
B
A letter T is folded diagonally.
C
A letter T is folded vertically through the middle.
D
A letter T is folded diagonally through its center.
2
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Which letter in the word HAPPY has an order 2 rotational symmetry?
A
HB
AC
PD
Y3
Which triangle has 0 reflectional symmetries?
A
A triangle has all different side lengths and angle measures.
B
A triangle has all equal side lengths and angle measures.
C
A triangle has 2 equal side lengths and 2 equal angle measures.
D
A triangle has 2 equal side lengths and 2 equal angle measures.
4
What is the smallest angle of rotational symmetry for a square?
A
45ºB
90ºC
180ºD
360º5
Which set of side lengths represents a triangle with 3 lines of reflectional symmetry?
A
3, 4, 5B
3, 6, 9C
5, 5, 5D
5, 10, 56
An equilateral triangle with all equal side lengths and angle measures.
A
1B
2C
3D
47
Which figure has an order 3 rotational symmetry?
A
right triangleB
equilateral triangleC
regular hexagonD
right trapezoid8
Which angle of rotation is an angle of rotational symmetry for all figures?
A
45°B
90°C
180°D
360°9
If the smallest angle of rotation for a regular polygon is 18°, how many sides does polygon have?
A
10B
12C
20D
2410
A rhombus has 4 equal sides.
A
1B
2C
3D
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