<u>Answer:</u>
Sector area = 151 mi²
<u>Step-by-step explanation:</u>
We can use the formula for sector area:
Area = 
where:
θ = central angle (120°),
r = radius of circle (12 mi) .
Substituting these values into the formula:
Area = 
⇒ 48 π
⇒ 150.796
≈ 151 mi² (rounded to the nearest whole number)