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29 February, 01:30

Find the lateral area and surface area of a regular hexagonal right prism is the base edges are 10 and the height is 12.

Round your answer to the nearest tenth.

LA = units squared

SA = units squared

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  1. 29 February, 02:33
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    Step-by-step explanation:

    a hexagonal prism is made up of two bases that are hexagons and six faces that are rectangles.

    Lateral surface area, LA = Perimeter * height

    Perimeter = number of sides * length of each side

    Perimeter, P = 6 * 10 = 60

    LA = 60 * 12 = 720 units squared

    Area of each base, B = 1/2a * perimeter

    Where

    a = apotherm

    We would determine the length of the apotherm of each base of the prism by applying the formula,

    a = s/[2tan (180/n) ]

    Where

    s = length of each side = 10

    n = 6 sides

    a = 10/[2tan (180/6) = 10/[2tan30)

    a = 8.66

    B = 1/2 * 8.66 * 60 = 259.8

    Total surface area = LA + 2B

    Total surface area = 720 + 2 * 259.8 = 1239.6 units squared
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