Question

Which formula represents how to find r in a polar coordinate?

Answer 1

To convert from Cartesian Coordinates (x,y) to Polar Coordinates (r,θ):

1. r = √ ( x2 + y2 )

2. θ = tan-1 ( y / x )

I hope it's helpful!

Answer 2

Here's the answer:

r = √ ( x2 + y2 )