$\"\"$ \ \

Observe the graph:

The graph is of a circle with a center at $\"\"$ and radius $\"\"$ .

Thus, it has a rectangular equation $\"\"$ .

Find the polar form of the equation, replace $\"\"$ with $\"\"$ and $\"\"$ with $\"\"$ .

$\"\"$

$\"\"$ .

The graph has a rectangular equation $\"\"$ and a polar equation $\"\"$ .

$\"\"$

The graph has a rectangular equation $\"\"$ and a polar equation $\"\"$ . \ \