hotman1 hotman1
  • 28-10-2017
  • Mathematics
contestada

What is the radius of a circle if the area is 78.5 cm^2

Respuesta :

deatrocarey deatrocarey
  • 28-10-2017
78.5= (3.14)r^2
25=r^2
5=r
So, the radius of a circle with an area is 78.5 cm^2 is 5 cm^2
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