SOLUTION: what is the area of a circle whose radius is 10 inches? the choices are: a) 100 pi inches squared b) 14 pi inches squared c) 20 pi inches squared d) 40 pi inches squared

Algebra ->  Circles -> SOLUTION: what is the area of a circle whose radius is 10 inches? the choices are: a) 100 pi inches squared b) 14 pi inches squared c) 20 pi inches squared d) 40 pi inches squared      Log On


   

Question 21852: what is the area of a circle whose radius is 10 inches? the choices are:
a) 100 pi inches squared
b) 14 pi inches squared
c) 20 pi inches squared
d) 40 pi inches squared
Answer by queenofit(120) About Me  (Show Source):
You can put this solution on YOUR website!
for a circle Area=pi r squared
so if you have r=10 you would square the 10 and would have a=pi10squared
a=3.14(pi)*10^2 (area would actually be 3.14*100=314 if you completed the equation)