Question

the area of a circle is 38.5 square metre find the circumference in centimetre​

Answer 1

Step-by-step explanation:

C≈22m

A Area

38.5

m²

Using the formulas

A=πr2

C=2πr

Solving forC

C=2πA=2·π·38.5≈21.99557m

Answer 2

Answer:

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