Symmetry

Question 1

Which letters have 2 or more lines of symmetry? Check all that apply.BOSHXK

Revolt · Accepted Answer

O; H; X

Question 2

Describe the symmetry of each shape. The dodecagon has lines of symmetry. The arrow has lines of symmetry.

Revolt · Accepted Answer

Selection 1: 4; Selection 2: 1

Question 3

Which statement accurately identifies all the symmetries of this star?

Revolt · Accepted Answer

This star has 5-fold reflectional symmetry and rotational symmetry of order 5.

Question 4

In general, which figure has exactly 2 lines of symmetry?

Revolt · Accepted Answer

rectangle

Question 5

Which shapes have rotational symmetry that occurs at 180°? Check all that apply.regular octagonregular pentagonregular hexagonsquareright isosceles triangle

Revolt · Accepted Answer

regular octagon; regular hexagon; square

Question 6

Which statements are true regarding the symmetries of this shape? Check all that apply.

Revolt · Accepted Answer

The order of rotational symmetry is 3.; Symmetry occurs after a rotation of 240º.; The figure has 3 lines of reflectional symmetry.

Question 7

For which regular polygon is 30 degrees the smallest angle of rotational symmetry?

Revolt · Accepted Answer

Option D

Question 8

David is currently listening to CD 3. To switch to CD 1, the CD player needs to rotate counterclockwise ⇒ 144 degrees. To switch to CD 4, the CD player needs to rotate counterclockwise degrees.

Revolt · Accepted Answer

⇒ 144: 89888; Part 2: 288

Symmetry Answers

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