Question

24) The height and slant height of a cone Art 21 cm and 25 CM respectively. Find the volume of the cone?

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Answer 1

Answer:

We can assume the Height of cone as the Height of a Right angled Triangle whose base = radius of the cone and slant height represents the Hypotenuse of that Triangle

Such that we can apply Pythagoras Theorem

21

2

+r

2

=28

2

⇒r=

343

Now, Volume of Cone =

3

1

πr

2

h=

3

1

∗

7

22

∗343∗21=7546 cm

3