A question related to volume and integration in coordinates.

2. (it) Find the volume of the domain in R3 which eonaiata of the points in R3 with coordinates (my, .3} satisfying the inequalities $2 + ye i: 32 and $2+y2+z2 22. (h) In IRE, let 1v he the triangle with eornera {D10}, [LU], [I], 1]. Evaluate the integral I41: +3!) :13 where (1:, y] are Cartesian eoordinatea in R2, and a in the arelength parameter