Respuesta :

liznamminga
Divide 6.4/2=3.2cm
Then 3.2•3.2=10.24
Next 3.14•10.24=32.2cm

Answer:

32.16990877, approximately 32.17

Step-by-step explanation:

A=πr^2

if the diameter is 6.4 then the radius is 3.2 since r=d/2

A=π(3.2)^2

A= 32.16990877, this is the exact value

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