Plz help, i literally don't know what to do

I think it is C. How thin or thick it is

Explanation: Line quality is also called line weight and simply put, refers to the thickness or thinness of the line. Lines may become wider or thicker in areas where the object itself is thicker. Or lines may become thicker to help indicate a light source. Lines in areas of shadow may be thicker. Range in line quality heightens descriptive potential: you can describe textures, movement, light, space, etc. Using many different kinds of lines in your drawing can also add visual interest. Even when the subject or content of a drawing is not readily recognizable, varying line quality can imply space, movement, light, and so on.

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perimeter = 2l +2w, divide total perimeter by 2 for total length of 1 side and 1 width

172/2 = 86 (  total for 1 side and 1 width)

86-24 = 62 (since length is 24 ft longer subtract 24 then divide by 2 for width)

62/2 = 31

width = 31 feet

length = 31 +24 = 55 feet

check: 31*2 = 62, 55*2 = 110,  110+62 = 172