In triangle abc, angle a= 38 degrees 40', a=16, b=20, and angle b is an obtuse angle. what is the measure of angle c to the nearest ten minutes?

Tyler enjoys the fish so much that after his birthday his family decides to take him to a famous aquarium a tank at the aquarium is similar to his tank with the scale factor of 8 how many times greater is the volume of the tank at the aquarium than the volume of tyler tank