Mathematics: The surface area of a cone is given by the formula S = pi*t + pi * r ^ 2 the formula for LSlant height ( l = S - r ^ 2 l = S + r ^ 2 0 l = s/pi - r ^ 2 0 l = 5/pi + r ^ 2

The surface area of a cone is given by the formula

Ответ:

graceaowen

29.01.2022

$l = \frac{S}{\pi r} - r$

Step-by-step explanation:

Given the surface area of a cone expressed as S = $\pi r^{2} +\pi rl$ where r is the radius of the cone and 'l' is its slant height. To find the slant height from the formula, we will make l the subject of the formula as shown;

$S = \pi r^{2} + \pi rl\\S = \pi r (r + l)\\\frac{S}{\pi r} = r+l\\l = \frac{S}{\pi r} - r\\$

The final expression gives the value of the slant height.

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Ответ:

oscaralan01

08.02.2022

Mathematics

the answer is really easy

Step-by-step explanation:

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The surface area of a cone is given by the formula S = pit + pi r ^ 2 the formula for LSlant height ( l = S - r ^ 2 l = S + r ^ 2 0 l = s/pi - r ^ 2 0 l = 5/pi + r ^ 2

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