Hello!
To find the surface area of a cylinder you use the equation

SA is surface area
r is radius
h is height
Put in the values you know

Square the number

Times the 9 and 3

Multiply the 2 and 27

Multiply the 2 and 81

Add

The answer is

Hope this helps!
So there are 2 numbers
pretend the smaller number is x, so the larger number must be 2x because it's twice as large
so 2x+x equals 54
simplifies to 3x=54
x= 18
the smaller number is 18 and the larger one is 36 (because 36 is 18 x 2)
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