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jek_recluse [69]
3 years ago
6

About 1.15 million people live in a circular region with a population density of about 18,075 people per square kilometer. Find

the radius of the region. Round your answer to the nearest tenth.
Mathematics
1 answer:
Tanzania [10]3 years ago
7 0

Step 1

<u>Find the total area</u>

Total area=(1,150,000/18,075)=63.62 square kilometer

The area of a circle is equal to

A=\pi * r^{2} \\ 63.62= \pi * r^{2}\\r=\sqrt{(63.62/\pi)} \\r=4.5\ km

therefore

the answer is

4.5\ km

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