# What is the equation of the circle with a center at #(3 ,1 )# and a radius of #2 #?

##### 1 Answer

Jan 26, 2016

#### Explanation:

The standard form of a circle with a center at

#(x-h)^2+(y-k)^2=r^2#

Since the center is

#{(h=3),(k=1),(r=2):}#

Thus, the equation of the circle is

#(x-3)^2+(y-1)^2=2^2#

This simplifies to be

#(x-3)^2+(y-1)^2=4#