A regular octagon is inscribed inside a circle. The perimeter of the octagon is 96 units. A: What is the measure of a side of the octagon? B: What is the measure of a central angle of the octagon? C: What is the approximate measure of the apothem of the octagon (to the nearest hundredth of a unit)? D: Using your answer to part C, what is the approximate area of the octagon (to the nearest whole unit)? B: 60 D: 120 units2 C: 2.49 units B: 30 B: 45 C: 14.49 units D: 696 units A: 12 units C: 5.54 units OD: 753 units OD: 266 units2 A: 16 units C 15.69 units A 6 units