Respuesta :

Area of a circle = π r^2

Where r is the radius

Since the area given is 484π, replacing:

484π = π r^2

Solve for r

484π / π = r^2

484 = r^2

√484 = r

r = 22

Diameter = 2 *¨radius = 2 * 22 = 44

Diameter = 44 ( C)

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