(adsbygoogle = window.adsbygoogle || []).push({}); Multivariable calculus problem involving surface area

I am not sure where to start with this problem....Any help I receive would be greatly appreciated:

Compute the surface area of the portion of the cone x^2 + y^2 = z^2 which lies between the planes z=0 and x + 2z = 3.

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# Multivariable calculus problem

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