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Please Help - Find the Volume

I know the answer is 1982.0 ft³. However, I don't know how to get to that answer. I keep getting 2112ft³. ​

Please Help Find the VolumeI know the answer is 19820 ft However I dont know how to get to that answer I keep getting 2112ft class=

Respuesta :

Answer:

1982  ft^3    ( rounded)

Step-by-step explanation:

The cube bottom is   12 x 12 x 12  = 1728

The pyramid top is  1/3 ( 12*12) * sqrt 28 = 253.99

added together = ~ 1982  

( you have to use the HEIGHT of the pyramid for the volume calculation      V = 1/3 *  base area * height        height = sqrt (28)  )

Answer:

1,982 ft³

Step-by-step explanation:

Solving

Volume of rectangular prism (below)

  • lbh
  • 12 x 12 x 12
  • 144 x 12
  • 1728 ft³

Volume of square pyramid

  • 1/3Bh
  • 1/3 x 144 x √28
  • 48 x 5.29
  • 253.92

Total Volume : 1728 + 253.92 = 1,981.92 ft³ ≅ 1,982 ft³