Respuesta :

Step-by-step explanation:

if area is given then

area=πr²

r=√(π/area)

d=2r

lilihadari
The area of a circle can be found by multiplying pi ( π = 3.14) by the square of the radius.
If a circle has a radius of 4, its area is 3.14*4*4=50.24.
If you know the diameter, the radius is 1/2 as large.

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