What is the area of a circle which diameter is 8.5m?

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Answer 1 · 2018-04-26T23:51:14

#A = 18.06pi m^2#
or
#A = 56.72 m^2#

The Area of a circle can be calculated using the equation #A = pir^2#

The radius is half of the diameter #r=d/2#

#r=8.5/2#

#r =4.25#

So now

#A = pi (4.25)^2#

#A = 18.06pi#

#A = 56.72#