Answer:
The answer is 1800!
Step-by-step explanation:
I believe you would solve for X like: 3x-10=2x-10.
6 for the two bases = 12
6 x 2 = 12 for the 4 faces = 48
48+12 = 60 cm^2
No there is no variability cause the answers will always be the same

scalar multiplication, now, add them up