Respuesta :

Answer:

3π cm

Step-by-step explanation:

Area of a circle = π × r²  ; where r is the radius of it.

in our case, the Area = π × (9/4) = π × (3/2)² then r = 3/2

we know that the circumference = 2×π×r = 2×(3/2)×π = 3π.

Answer:

....

Step-by-step explanation:

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