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17 September, 00:03

The table shows the side length and approximate area of an octagonal stop sign.

Area of a Stop Sign

Which function can be used to compute the approximate area, in square inches, of a stop sign if it has a side length of x inches?

f (x) = 4.8x2

f (x) = 4x2

f (x) = (4.8) x

+5
Answers (2)
  1. 17 September, 00:15
    0
    Area = (# of sides * side length^2) / [4 * tan (180/n) ]

    area = (8 * x^2) / 4 * tan (22.5)

    area = 8 x^2 / (4 * 0.41421)

    area = 8 x^2 / 1.65684

    area = 4.828 x^2
  2. 17 September, 00:32
    0
    Area = (# of sides * side length^2) / [4 * tan (180/n) ]

    area = (8 * x^2) / 4 * tan (22.5)

    area = 8 x^2 / (4 * 0.41421)

    area = 8 x^2 / 1.65684

    area = 4.828 x^2

    So, it seems the correct answer is the first one.
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Home » Mathematics » The table shows the side length and approximate area of an octagonal stop sign. Area of a Stop Sign Which function can be used to compute the approximate area, in square inches, of a stop sign if it has a side length of x inches? f (x) = 4.
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