of ANGLES and
DIRECTIONS
LESSON 25
,Topics
01 Direction of Lines
02 Interior and Exterior Angles
03 Deflection Angles
04 Angles to the right
05 Bearings
06 Forward and Back Bearings
07 Azimuths
08 Forward and Back Azimuths
, 01 Direction of Lines
● Defined as the horizontal angles the line makes with an established
line for reference.
● Horizontal Angle is a formed by the
directions of two objects in a horizontal
plane.
Types of Horizontal
Angles:
● Interior Angles
● Exterior Angles
● Deflection Angles
● Angles to the Right