babygrl21 babygrl21
  • 04-01-2019
  • Mathematics
contestada

find the area ans the circumference of a circle with diameter 4m

Respuesta :

kerrkids6
kerrkids6 kerrkids6
  • 04-01-2019

The answer is: 12.57m


Answer Link
meghanbf
meghanbf meghanbf
  • 04-01-2019

Area:

The formula for the area of a circle is A=[tex]\pi r^{2}[/tex].  The problem gives the diameter (4); half of the diameter is the radius (r=2).

A=2π

A=6.2831m^2


Circumference:

The formula for the circumference of a circle is A=πd.

A=4π

A=12.5664m


Hope this helps!!

Answer Link

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