Respuesta :

Area of a circle using the radius is pi*r^2, so:
A=3.14*4^2
A=3.14*16
A=50.24
Area = πr²
r = 4

(4)² = 16

π = 3.14 (rounded)

16(3.14) = 50.24

50.24 is your answer

hope this helps

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