Help with 16,17

Question 16 Two paths are shown below. Path 1 follows the arc of the unit circle and path 2 follows two radii of the same circle Not yet answered Marked out of 1.0 Flag question Path 1 Path 2 1350 The difference of path 1 and 2 ( rounded to the nearest hundredth) is State your answer as a positive value stion 17 et If the terminal arm of angle O intersects the unit circle at the point m /o 55 red CO then to the nearest hundredth of a radian, 0 is ed out of