# How do you graph #r = 2#?

##### 1 Answer

Dec 13, 2015

You can change it to rectangular coordinates or consider that is the graph produced by a point at distance

#### Explanation:

Consider the following diagram:

We can see that the relationships between rectangular and polar coordinates are:

and:

In your case you have:

Change it into rectangular to get:

Square both sides:

Which is the equation of a circle of radius