CSA of cone of radius 'r', height 'h' and slant height 'l' is $πrl$ .

True

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False

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Solution

The correct option is A True

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Similar questions

Q. For a cone of radius 'r', height 'h' and slant height 'l',

l^{2} = r^{2} + h^{2}

Q. The total surface area of a cone whose radius is

\frac{r}{2}

and slant height 2l is
(a)

2 π r (l + r)

(b)

π r (l + \frac{r}{4})

(c)

πr (l + r)

(d)

2 π r l

Question 5
The total surface area of a cone whose radius is $\frac{r}{2}$ and slant height 2l is:

A) $2 π r (l + r)$
B) $π r (l + \frac{r}{4})$
C) $π r (l + r)$
D) $2 π r l$

Q. The radius and slant height of a cone are in the ratio 3:5. It's CSA is 2310cm². Find its radius.

Q. If the area of a circle with radius 'r' is equal to CSA of a cone of radius 'R' and slant height 'L', then R = .

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CSA of cone of radius 'r', height 'h' and slant height 'l' is πrl.

The correct option is A True

CSA of cone of radius 'r', height 'h' and slant height 'l' is $πrl$ .