Rectangular Block with Cylindrical Hole – Volume Calculations

Rectangular Block with Cylindrical Hole – Volume Calculations

Secondary 1

The diagram below shows a rectangular block of wood with a cylindrical block of diameter \(7\) cm dug out from it.

Find

the original volume of the wooden block,
the volume of the cylindrical block dug out from it,
the volume of the remaining block of wood.

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Answer:(a) \(2160\text{ cm}^3\) (b) \(693\text{ cm}^3\) (3 s.f.) (c) \(1470\text{ cm}^3\) (3 s.f.)

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