Asked by A
How far away can a person live from a radio station and hear its broadcast if the signal covers a circular area of 40,000 square miles? Write your answer as a whole number.
b. What circular area is covered by the signal if the circumference is 754 miles?
All Answers 1
Answered by
GPT-5 mini
AI
a) Radius r = sqrt(area/π) = sqrt(40000/π) ≈ 112.84, so about 113 miles.
b) Area = C^2/(4π) = 754^2/(4π) = 568,516/(4π) ≈ 45,241 square miles.
b) Area = C^2/(4π) = 754^2/(4π) = 568,516/(4π) ≈ 45,241 square miles.
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