# What is the equation of the circle with a center at #(2 ,2 )# and a radius of #4 #?

##### 2 Answers

Jun 7, 2018

#### Explanation:

Formula for a circle centered on

graph{(x-2)^2 + (y-2)^2 = 16 [-6.67, 13.33, -3.08, 6.92]}

Jun 7, 2018

#### Explanation:

#"the equation of a circle in standard form is"#

#color(red)(bar(ul(|color(white)(2/2)color(black)((x-a)^2+(y-b)^2=r^2)color(white)(2/2)|)))#

#"where "(a,b)" are the coordinates of the centre and r"#

#"the radius"#

#"here "(a,b)=(2,2)" and r=4#

#(x-2)^2+(y-2)^2=16larrcolor(red)"equation of circle"#