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7 May, 14:27

Find the perimeter of a regular octagon with a side length of 20

options:

120

140

160

180

+1
Answers (1)
  1. 7 May, 18:02
    0
    perimeter of regular octagon is given as

    = 8a

    where a is side of regular octagon

    so

    perimeter = 8 x 20 = 160

    so option c is answer
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