The radius of a circle is 5 inches. What is the area of the circle?

1 Answer
Alan P.
Jul 14, 2015

Area of circle with radius #5# inches is
#color(white)("XXXX")##= 25pi# or approximately #78.54# square inches.

Explanation:

General formula for the Area of a circle with radius #r# is
#color(white)("XXXX")##A(r) = pir^2#

In this case:
#color(white)("XXXX")##A(5) = pi5^2 = pi*25 or 25pi#

#pi# is approximately #3.1416#

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