Question

The radius of a circle is 4 kilometers. What is the circle's area?

r=4 km
Use 3.14 for .
square kildmeters
Submit

Answer 1

Explanation:

Answer 2

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.