Aptitude - Volume and Surface Area - Discussion

Discussion Forum : Volume and Surface Area - General Questions (Q.No. 1)

Volume and Surface Area

A right triangle with sides 3 cm, 4 cm and 5 cm is rotated the side of 3 cm to form a cone. The volume of the cone so formed is:

cm³

Answer: Option

Explanation:

Clearly, we have r = 3 cm and h = 4 cm.

Volume =	1	r²h =		1	x x 3² x 4	cm³	= 12 cm³.
	3			3

Discussion:

77 comments Page 7 of 8.

Sachin.nani3@gmail.com said: 1 decade ago

I could not understand, please explain any body.

Archana said: 9 years ago

How you take 3cm for the base?

Please, Explain.

Annu said: 8 years ago

I didn't understand this. Please explain me.

Vinay vidhani said: 1 decade ago

But how can we understand that 3 will base ?

LAWRENCE said: 9 years ago

How can 3 be the radius since it's rotated?

Laraib said: 1 decade ago

Tell me basics of volume and surface area.

Khushi jain said: 8 years ago

How can 3 be the radius? Please explain.

Durga said: 7 years ago

Could you please explain it in clear?

Mia khalifa said: 9 years ago

Why the 3 cm is taken as the radius?

Anil sarode said: 9 years ago

You are absolutely right @Rohit.

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