# How do you find the area of a circle with diameter 20in?

##### 1 Answer

Apr 29, 2018

#### Explanation:

#"using the formula for area (A) of a circle"#

#•color(white)(x)A=pir^2larrcolor(blue)"r is the radius"#

#"here diameter "=20rArrr=20/2=10" in"#

#rArrA=pixx10^2=100pi~~314.2#