Answer
The polar equation is: $r = 4$
We can see the graph below:
![](https://gradesaver.s3.amazonaws.com/uploads/solution/113f09d3-bf57-46f9-afb7-eb4f0570520b/result_image/1529496784.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAJVAXHCSURVZEX5QQ%2F20240727%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20240727T021915Z&X-Amz-Expires=900&X-Amz-SignedHeaders=host&X-Amz-Signature=879bb9f24ebb50655ec4d5525a412ba60a4075ded8414011220c5aa8116e79be)
Work Step by Step
$x^2+y^2 = 16$
$r = \sqrt{x^2+y^2} = \sqrt{16} = 4$
The polar equation is: $r = 4$
We can see the graph below:
![](https://gradesaver.s3.amazonaws.com/uploads/solution/113f09d3-bf57-46f9-afb7-eb4f0570520b/steps_image/small_1529496784.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAJVAXHCSURVZEX5QQ%2F20240727%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20240727T021915Z&X-Amz-Expires=900&X-Amz-SignedHeaders=host&X-Amz-Signature=8faeed5f971cd0a77d6ac35fdbee722b60a2c9d4c150fc932e6ba206267529b3)
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