Question 477957
S=2πrh + 2πr^2
R=1/2d
R=1/2(4)
R=2

S=2π(2)(4.1) + 2π(2)^2
S=2π(12.2) + 2π(4)
S=24.4π + 8π
S=76.62 + 25.12
S=101.74 cm^2

I rounded to the nearest tenth.