Iconography refers to . a. the study of culture and society in art.
b. the influence of gender on the imagery and message in art.
c. the Elements of Art used to create a work of art.
d. the study of symbols and images in art.

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d

Explanation:

Icon means image graph means to write or to study so iconography means the study of symbols and images in art.

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