Use differentials to solve. Show each step. Given right circular coner -1- slant heightradiussurface area, A = πA = πr² +πr l.If value of r changes from 6m to 5.8m and value of I changes from 12m to12.3m, would the surface area increase / decrease and by how much?

The value of radius and slant height of the cone are r = 6 m and l = 12 m The change in radius of…

Answered: Given right circular cone 1- slant…

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter11: Introduction To Trigonometry

Section11.2: The Cosine Ratio And Applications

Problem 38E

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Given right circular cone 1- slant height r-radius surface area, A = πr² +πrl. If value of r changes from 6m to 5.8m and value of I changes from 12m to 12.3m, would the surface area increase / decrease and by how much?