Right angle prism has how many sides?
Correct answer: B. 5
- A. 4
- B. 5
- C. 6
- D. None of these
Explanation
A right-angle prism is triangular, so it has two triangular faces and three rectangular faces, making five faces in total. Here “sides” is being used loosely to mean faces.
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Inventions and Discoveries covers the people, dates, principles and practical uses behind developments such as the wheel, printing press, telephone, electricity, radio, computer, internet, vaccines and space technology. It distinguishes an invention, which creates a device or process, from a discovery, which identifies something already present in nature.
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