Answer :
The surface area of the cone is 40π
What is a cone?
A cone is a solid shape with a circular base and a tapered side.
Analysis:
surface area of a cone = πrl + π[tex]r^{2}[/tex] = π( 6x4) + π(4 x 4) = 40π
Learn more about cone: brainly.com/question/1082469
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