What would be the area of circle with a radius of 5 inches?

2 Answers
Oct 3, 2017

Area#=78.57# sq.in.

Explanation:

Area of circle #=pir^2#
As #r=5"#
Area #=π5^2=550/7=78.57# sq.inch

Oct 3, 2017

#78.5units^2#

Explanation:

The formula to find the area of a circle is #A=pir^2#
The radius of the circle is 5 inches. Most teachers tell you to use 3.14 for #pi# to make the math easier. Substitute:
#A=3.14*5^2#
#5^2# is 25.
#25*3.14=78.5#
#A=78.5#