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Dallasb22

  • 3 years ago

Find the total area for the prism.

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  1. Dallasb22
    • 3 years ago
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  2. Dallasb22
    • 3 years ago
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    @radar

  3. Dallasb22
    • 3 years ago
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    @aroub

  4. Dallasb22
    • 3 years ago
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    How do i find the area of the base?

  5. radar
    • 3 years ago
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    The area of a pentagonal base is given by: A=1/2 * a * 5 * s where a is apothem length s = side and h = height

  6. radar
    • 3 years ago
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    In your diagram a=k and h=6 and if I read it correct the side is 4 (1/5 the perimeter).

  7. radar
    • 3 years ago
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    Note the area is similar to the formula for 5 triangles.

  8. radar
    • 3 years ago
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    There would be two base area and 5 side areas. the side area is 4*6 =24 sq .in and there are 5 sides are 120 sq in. for the sides. The numerical base area needs the value of k to calculate.

  9. radar
    • 3 years ago
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    Good luck with it.

  10. Chlorophyll
    • 3 years ago
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    Since the Perimeter is given, side s = 20/5 = 4 in => Area A = 4^2 * 5 / 4 tan ( pi/5) = ...

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