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The radius of a circle is 4 kilometers. What is the circle's area? r=4 km Use 3.14 for . square kildmeters Submit
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10 votes
The radius of a circle is 4 kilometers. What is the circle's area?

r=4 km
Use 3.14 for .
square kildmeters
Submit

User Mbostock
by
4.7k points

2 Answers

8 votes

Answer:

Explanation:

User Ecem
by
4.6k points
7 votes

Answer:

50.27km

Explanation:

divide the circumference by 3.14 ( pi ) to find the diameter of the circle. Half the diameter is the radius. Square the radius and multiply by pi to find the area of the circle.

User Fer Toasted
by
3.8k points
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