If the right triangle as shown in the diagram above is rotated about $A B$ , then we get a .

Cylinder

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Cone

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Rectangular Prism

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Solution

The correct option is B Cone
As already shown by the prof, if a right triangle is rotated about any one of the sides we will get a cone.
Here, the triangle $A B C$ is rotated about $A B$
$∴$ We will get a cone as shown:

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If the right triangle as shown in the diagram above is rotated about AB, then we get a .

The correct option is B ConeAs already shown by the prof, if a right triangle is rotated about any one of the sides we will get a cone. Here, the triangle ABC is rotated about AB ∴ We will get a cone as shown:

If the right triangle as shown in the diagram above is rotated about $A B$ , then we get a .

The correct option is B Cone
As already shown by the prof, if a right triangle is rotated about any one of the sides we will get a cone.
Here, the triangle $A B C$ is rotated about $A B$
$∴$ We will get a cone as shown: