princessviennaofital princessviennaofital

02-02-2020
Mathematics

contestada

the circumference of a circle is 31.4cm. What is the area of the circle

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43music25 43music25

02-02-2020

Answer: A≈78.46

Step-by-step explanation:

r=C

2π=31.4

2·π≈4.99747

A=π·5^2

≈78.46035

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