Question

» The diameter of a circle is 38 kilometers. What is the circle's area? Use 3.14 for n.

square kilometers
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Answer 1

The formula for area of a circle is :

Area = pi x radius^2

Radius is half the diameter.

Radius = 38/2 = 19 kilometers

Area = 3.14 x 19^2

Area = 1,133.54 square kilometers