Question

Volume of a right circular cone of radius r and height h is*


πr²h

4/3 πr³

1/3 πr²h

2/3 πr²h

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Answer 1

Given:-

• Radius of right circular cone is r.
• Height of right circular cone is h.

To find:-

• Volume of right circular cone.

Solution:-

We know that,

$\large \boxed{\sf Volume\:of\:cone = \frac{1}{3} \pi {r}^{2} h}$

In which,

• r is Radius of cone.
• h is height of cone.

Radius of right circular cone = r.

Height of right circular cone = h.

Put the value of r and h in formula,

⇒$\frac{1}{3} \pi {r}^{2} h$

Therefore,

Volume of right circular cone is $\frac{1}{3} \pi {r}^{2} h$.

___________________________

More formulas:-

• Total surface area of cone is πr( r + l) . In which I is slant Height and r is Radius of cone.

• Lateral surface area or we can say Curved surface area of cone is πrl. In which I is slant height and r is Radius of cone.

• Slant height = $\sf \sqrt{ {(r)}^{2} + {(h)}^{2} }$.

Answer 2

Answer:

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