Question

If a semicircle is rolled along a diameter then the figure formed is

Answer 1

Answer:

If a semicircle is rolled along a diameter then the figure formed is a cone .

Answer 2

If a semicircle is rolled along a diameter then the figure formed is Cone

Step-by-step explanation:

Given Data

To find- the figure when a semicircle is along a diameter

A three dimensional shape which has flat circular base and pointed top portion is called Cone.

cone is somewhat related to the structure of pyramid.

Cones are referred as circular cone.

Take a piece of paper and cut that in the shape of semicircle.

Now roll the paper along its diameter

After rolled, the shape we got is right circular cone.

Volume of cone = $\frac{1}{3} \pi r^{2} h$ cubic units

Surface area of cone = π r (l +r)

There are are two types of cone and they are right circular cone and oblique cone.

Therefore the figure formed when a semicircle is rolled along its diameter is cone and mostly it will be a right circular cone.

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