Volume and Surface Area of Composite Solids

Volume and Surface Area of Composite Solids

TGM Original Questions

The figure below shows a solid that is the remaining part of a larger triangular prism with a smaller triangular prism carved out of it.

Find

  1. the area of the cross section in cm².
  2. the total surface area of the solid in cm².
  3. the volume of the solid in cm³,

correcting your answers to the nearest integer.

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Answer:(a) \(234\text{ cm}^2\) (b) \(1740\text{ cm}^2\) (c) \(2808\text{ cm}^3\)

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