The figure is a trapezoid
I think it’s 8/55=4/x
So it’s 8x=4(55)
8x=220
x=220/8
x=27.5
Answer:
A
Step-by-step explanation:
Surface area of a cylinder = 2πrh+2πrsquared
= 2x3.14x4.5x12+2x3.14x20.25
= 339.12+127.17
= 466.29
Therefore, the surface area of a cylinder is 466.29cm