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20 June, 17:29

Find the area of a regular octagon with an apothem of 7 inches and a side length of 5.8 inches. Round to the nearest tenth.

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Answers (2)
  1. 20 June, 18:22
    0
    162.4283 in^2 (hope this is correct!)

    Step-by-step explanation:

    Area using side length only.

    n = 8

    Area = n (s/2) ^2 / tan (π / n)

    = 8 (5.8/2) ^2 / tan (π / 8)

    = 162.4283 in^2
  2. 20 June, 19:51
    0
    Answer:5

    Step-by-step explanation:i took the test
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