Answer:

Step-by-step explanation:
first you take 60°/360°= 1/6 then you take 1/6 and multiple it by
and that equals
finally take
times the radius (6) and that should equal 
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I believe that the answer is 1845
the surface area of the cube is 1350
the surface area of the pyramid is 495
the total surface area is :

good luck
I believe the term is "constant".