V. You are told that a slice of pizza whose edges for a 25° angle with an outer crust edge 4 inches long was found in a gym locker. What was the diameter of the original pizza? Round to the nearest inch.

VI. A voltmeter's pointer is 6 centimeters in length. Find the number of degrees through which it rotates when it moves 2.5 centimeters on the line on the scale. ​