Question #15a6d

1 Answer
Grimalkyne
Nov 28, 2017

The surface area # ~~ 50.265#

Explanation:

The surface area of a cone is given by the formula
#SA = pir^2 + pirl# where #r# is the radius and #l# is the slant height

Substituting in what we know
#SA = pi2^2 +pi*2*6#

Simplifying
#SA = pi4 + pi12 = pi16 ~~ 50.265#

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