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23 January, 09:05

The following regular polygon has 15 sides. This distance from its center to any given vertex is 12 inches.

Which of the following is the best approximation for its perimeter?

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Answers (2)
  1. 23 January, 11:26
    0
    Step-by-step explanation:

    The distance from the center of a regular polygon to any given vertex is called the radius. For the given polygon, radius = 12 inches

    The number of sides that the polygon has is 15 sides.

    The perimeter of a polygon is the distance around it. We would find the length of each side by applying the formula,

    radius = s/[2 sin  (180/n) ]

    where

    s is the length of any side

    n is the number of sides

    Therefore,

    12 = s/[2Sin (180/15) ]

    12 = s/2Sin12

    s = 12 * 2Sin12

    s = 4.98988056

    Perimeter = number of sides * length of each side

    Perimeter = 4.98988056 * 15 = 74.84 inches
  2. 23 January, 12:46
    0
    75 inches

    Step-by-step explanation:

    Step-by-step explanation:

    The distance from the center of a regular polygon to any given vertex is called the radius. For the given polygon, radius = 12 inches

    The number of sides that the polygon has is 15 sides.

    The perimeter of a polygon is the distance around it. We would find the length of each side by applying the formula,

    radius = s/[2 sin  (180/n) ]

    where

    s is the length of any side

    n is the number of sides

    Therefore,

    12 = s/[2Sin (180/15) ]

    12 = s/2Sin12

    s = 12 * 2Sin12

    s = 4.98988056

    Perimeter = number of sides * length of each side

    Perimeter = 4.98988056 * 15 = 74.84 inches

    Finally round your answer and its 75 inches
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