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Alex has a circular, fenced-in section on his farm. The circumference of the section is 70 meters. What is the area, in square meters, of the section? Round your answer to the nearest square meter.

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Answer:

Alex's circular, fenced-in section has an area of 390 m².

Step-by-step explanation:

Its a circle based fence which has circumference of 70 meters.

  • We know the formula for circumference of circle is:  2 * π * radius

so here 2πr = 70

            radius = (70/2π)

            radius = 11.14 meters.

  • We know the formula for area of circle is : π * radius²

so here area: πr²

                  →  π * 11.14 * 11.14

                  →   390 m²

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