Question 975487
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The lateral surface area of the frustum of a cone is given by:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ A\ =\ \pi(R\ +\ r)\sqrt{(R\ -\ r)^2\ +\ h^2}]


Where *[tex \Large R] and *[tex \Large r] are the bottom and top radii.


Plug in your numbers and do the arithmetic. Don't forget that you are given the upper and lower <u>diameters</u>


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
My calculator said it, I believe it, that settles it

*[tex \Large \ \
*[tex \LARGE \ \ \ \ \ \ \ \ \ \