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23-03-2021
Mathematics

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The area of a circle was calculated to be 1386cm^2 . What is the circumference of the same circle

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23-03-2021

Answer:

C≈131.97cm

A Area

1386cm²

Using the formulas

A=πr²

C=2πr

Solving forC

C=2√πA

=2·√π·1386

≈131.97344cm

Step-by-step explanation:

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