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Which of the following formulas would find the lateral area of a right cone where r is the radius and s is slant height?

A. LA=1/2
[tex]\pi rs[/tex]
B. LA=2 pi rs
C. LA=pi rs
D. LA=rs

Which of the following formulas would find the lateral area of a right cone where r is the radius and s is slant heightA LA12 texpi rstexB LA2 pi rsC LApi rsD L class=

Respuesta :

For a right circular cone, the lateral surface area is given by,

[tex] L.S.A. =\pi r\sqrt{h^{2}+r^{2}} [/tex]

The value of square root of h²+r² is equal to slant height s.

So replacing the value of square root of (h²+r²) by s in the formula for lateral surface area , we have

L.S.A. = pi * r * s

where s is slant height of the given right cone.

Answer: The lateral surface area of a right cone is pi*r*s.

Option C is the correct answer.

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Answer:

c

Step-by-step explanation:

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