Answer: 16π squared inches
Explanation:
The base area of a cone is the area of a circle.
Formula for area of a circle = π
Since your r= 4 inches, you plug in 4 inches into the formula.
Area = π * = 16π
Answer:
AB≈50.27in²
AB=πr2=π·42≈50.26548in²
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= 16π