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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.

Sagot :

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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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