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emmainna [20.7K]
3 years ago
15

Sam built a circular fenced-in section for some of his animals .the section has a circumference of 55 meters .what is the approx

imate area ,in square meters ,of the section ?
Mathematics
1 answer:
otez555 [7]3 years ago
7 0

Answer:

  • 243 m²

Step-by-step explanation:

<u>Area of circle:</u>

  • A = πr²

<u>Circumference of circle:</u>

  • C = 2πr

<u>Given</u>

  • C = 55 m

<u>Find r using the second formula:</u>

  • 2πr = 55
  • 2*3.14r = 55
  • r = 55/6.28
  • r = 8.8 (rounded)

<u>Find area using the first formula:</u>

  • A = 3.14*8.8²
  • A = 243 m² (rounded)

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