Question: Approximate the change in the lateral surface area (excluding the area of the base) of a right circular cone of fixed height of hequals 4

Approximate the change in the lateral surface area (excluding the area of the base) of a right circular cone of fixed height of

hequals

4

m when its radius decreases from

requals

14

m to

requals

13.9

m

(Upper S equals pi r StartRoot r squared plus h squared EndRoot

).

Upper Delta Upper S

almost equalsnothing

msquared

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