The circumference of a circle is 270.54 m. What is the approximate area of the circle? Use 3.14 for pi. Use pencil and paper. Explain how the area of a circle changes when the circumference of a circle changes.
(Round the final answer to the nearest whole number as needed. Round all intermediate values to the nearest thousandth as needed.)
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Answer:
r=43 m
Step-by-step explanation:
circumference=270.54m
as we know
area of circle=πr²
from circumference we find radius of circle
c=270.54
2πr=270.54
2(3.14)r=270.54
r=270.54÷(2×3.14)
r=43.0796178343949
r=43 m
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