Question

Let
S = {(x, y, x) ∈ $\R^3$ ∶ x2 + y2 + z2 = 4, (x - 1)2 + y2 ≤ 1, 𝑧 ≥ 0}.
Then, the surface area of S equals ___________ (rounded off to two decimal places).

Answer 1

The correct answer is 4.50 to 4.60. (approx)