Symmetry Answers
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Which statements are true about the lines of symmetry of a regular pentagon? Select three options.
A
Every line connects two vertices.B
Every line connects the midpoints of 2 sides.C
Every line bisects a vertex angle.D
Every line bisects a side.E
Every line is perpendicular to a side.2
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Which type of triangle will always have at least 1-fold reflectional symmetry?
A
right triangleB
obtuse triangleC
acute triangleD
isosceles triangle3
A rhombus has 4 equal sides.
A
1B
2C
3D
44
An equilateral triangle with all equal side lengths and angle measures.
A
1B
2C
3D
45
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.
6
Which figure has an order 3 rotational symmetry?
A
right triangleB
equilateral triangleC
regular hexagonD
right trapezoid7
If the smallest angle of rotation for a regular polygon is 18°, how many sides does polygon have?
A
10B
12C
20D
248
Which letter in the word HAPPY has an order 2 rotational symmetry?
A
HB
AC
PD
Y9
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.
10
Which figure has the same order of rotational symmetry as a rectangle?
A
isosceles trapezoidB
regular octagonC
squareD
rhombusDid you find these answers helpful?
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