Question #15a6d

1 Answer
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