If a right angled triangle is revolved about one of the sides containing the right angle it forms a

Prism

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Right circular cone

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Right triangle

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Pyramid

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Solution

The correct option is B
Right circular cone

If a right angled triangle AOB is revolved about OA, it generates a cone.

The point A is called the vertex of the cone, and its base is a circle with centre O and radius OB. The length OA is called the vertical height of the cone and AB is known as the slant height of the cone.

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