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 cuboid, where a half-cylinder and two identical triangular prisms with isosceles right-angled triangular base are removed from the prism. Find

  1. the area of the cross section,
  2. the total surface area of the solid, and
  3. the volume of the solid.

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Answer:(a) \(7.15\text{ cm}^2\) (b) \(160\text{ cm}^2\) (c) \(71.5\text{ cm}^3\)

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