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The area of a circle is 18.1 km^2. Find the radius of the circle in kilometers rounded to the nearest tenth. Use 3.14 for PI, and enter the number only.
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The area of a circle is 18.1 km^2. Find the radius of the circle in kilometers

rounded to the nearest tenth. Use 3.14 for PI, and enter the number only.

User Belliez
by
5.3k points

2 Answers

3 votes

Answer:

2.4 km

Explanation:

πr²=18.1 km²

18.1/3.14=5.76km²

576/100

24/10=2.4km

User Phargart
by
5.5k points
3 votes

Answer:2.4

Explanation:

area = pi* r^2

18.1 /3.14=r^2

5.76 =r^2

Now root square

User Preom
by
4.9k points
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