Surface area double integration .interval problem

[leo1210]

Surface area double integration...interval problem..

Find the area of the portion of the cone z=\sqrt{x^2+y^2} that lies inside the cylinder x²+y²=2x

how to determine the interval of the double integration?

 

[LCKurtz]

Have you drawn a sketch of the cone and cylinder? It should be pretty obvious from the picture.