Find the area of the shaded region.

Sorry I can't help. Its to complicated.

Area of shaded sector   = (1/2)(12^2) (1.7 rads)  = 122.4 cm^2

Area of triangle  = (1/2)(12^2)  sin ([2pi - 1.7 - 2.4]  rads)    ≈  58.92 cm^2

Total shaded area ≈  (122.4  + 58.92) cm^2    = 181.32 cm^2