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27 June, 13:47

Pyramid A has a square base with side lengths of 6 meters, and 4 triangular sides with a base of 6 meters and height of 7 meters. Pyramid B has a rectangular base with length of 6 meters and height of 4 meters, and 4 triangular sides. 2 triangular sides have a base of 6 meters and height of 9 meters. The other 2 triangular sides have a base of 4 meters and height of 9.3 meters. Which pyramid has the greatest surface area? Pyramid

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  1. 27 June, 14:04
    0
    Pyramid A has greater surface area

    Step-by-step explanation:

    Pyramid A

    A=lw+l√ ((w / 2) ²+h²) + w√ ((l / 2) ²+h²)

    l=w = 6 m

    h = √7²-3³ = √40 ≈ 6.33 m

    A≈ 120 m²

    Pyramid B

    A=lw+l√ ((w / 2) ²+h²) + w√ ((l / 2) ²+h²)

    l = 6 m

    w=4 m

    h = √9²-2³ = √73 ≈8.54 m

    A≈ 112.83 m²
  2. 27 June, 14:07
    0
    Step-by-step explanation:

    6 times 9 is 54.

    54 divided by 2 is 27 volume (recipitor) is 27 for no. 1

    6 times 7 is 42

    42 divided by 2 is 21 is the recipitor or volume for no. 2

    there fore a has a bigger base surface

    as base is measured by recipitorial angles

    sorry if this isnt the right answer or what u wanted but I know it this way
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