Two forces of 19. 8 pounds and 36. 5 pounds act on a body with an angle of 61. 4 degrees between them. On a coordinate plane, a vector on the x-axis is labeled 19. 8 pounds. A vector labeled 36. 5 pounds forms angle 61. 4 degrees with the x-axis. Choose the correct approximation for the magnitude of the resultant vector. 45. 5 pounds 21. 3 pounds 49. 2 pounds 2416. 2 pounds.