If possible, draw a line of symmetry in each of the following figures or words. if it is not possible to draw a line of symmetry and right "none."

  a) none

  b) vertical through the middle

  c) horizontal through the middle

  d) none

Step-by-step explanation:

a) A repeated asymmetrical pattern rarely has a line of symmetry. (I can't think of a case where it does.)

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b) This figure has left-right symmetry about its centerline. (In general, a light bulb will not, because the screw threads are asymmetrical.)

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c) Each of the letters is symmetrical about its horizontal centerline, so  the word is as well.

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d) The letter S is symmetrical about its center point, but not about any horizontal or vertical line. This word is not symmetrical about any line.

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step-by-step explanation:

72 is the answer to this problem