Hollow Pipe: Cross-Sectional Area, Volume & Surface Area
Hollow Pipe: Cross-Sectional Area, Volume & Surface Area
Secondary 1
A hollow pipe is shown in the figure below. If the length of the pipe is \(20\) cm, calculate the
- cross sectional area of the pipe,
- volume of the pipe,
- total surface area of the pipe.
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Answer:(a) \(15.7\text{ cm}^2\) (3 s.f.) (b) \(314\text{ cm}^3\) (3 s.f.) (c) \(660\text{ cm}^2\) (3 s.f.)
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