Respuesta :

Answer for number 3:

The radius is 9
The diameter is 18
The circumference is ≈56.55

Answer for number 4:

The radius is 2.4
The diameter is 4.8
The circumference is ≈15.08
3.
Radius=9mm
Diameter=18mm
Circumference=55.55mm

Area= 254.47mm^2

4.
Radius=2.4cm
Diameter=4.8cm
Circumference=15.08cm

Area=18.1cm^2

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