Answer:
251.2 cm²
Step-by-step explanation:
Area of cylinder=2πrh+2πr^2
which is also=2πr(r+h)
applying formula
area=251.2 cm²
hope this helps plzz mark me brainliest
Its A you just have to count the lines and say the numbers 1-4
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4*(10*12/2)+4*(12*9)+(12*12)= 816 ft^2
the surface area is 816 ft^2.
