Computer · Surveying

In traversing by the included angle method, which of the following statements are correct? i. If the direction of progress is counter-clockwise, the included angles measured clockwise are interior angles. ii. If the direction of progress is clockwise, the included angles measured clockwise are interior angles. iii. If the direction of progress is counter-clockwise, the included angles measured clockwise are exterior angles. iv. If the direction of progress is clockwise, the included angles measured clockwise are exterior angles.