Answer:
Correct answer: SA = 19.36 · π ft²
Step-by-step explanation:
Given: Diameter of the sphere is d = 4.4 ft
d = 2 · r where r is radius
r = d / 2 = 4.4 / 2 = 2.2 ft
r = 2.2 ft
SA = 4 · r² ·π
SA = 4 · (2.2)² · π = 4 · 4.84 · π = 19.36 · π
SA = 19.36 · π ft²
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