To the nearest hundredth, what is the area of a circle with a radius of 3 units?

1 Answer
May 16, 2018

#28.27# units squared.

Explanation:

Area of a circle is given by:

#A=pir^2#

where:

  • #pi# is the mathematical constant, which is around #3.1415...#

  • #r# is the radius of the circle

So, we get:

#A=pi*(3^2)#

#=9pi \ "units"^2#

#~~28.27 \ "units"^2# to the nearest hundredths.