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The area of a circle is 4π square kilometers. What is the radius? Write your answer in simplest form.

The area of a circle is 4π square kilometers. What is the radius? Write your answer in simplest form.
asked 152k views
4 votes
The area of a circle is 4π square kilometers. What is the radius? Write your answer in simplest form.

asked
User Jose B
by
7.7k points

1 Answer

5 votes

Answer:

2 km

Explanation:

4π = π × r²

r² = 4

r = 2

answered
User Sammiwei
by
8.4k points
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