How to draw lines in the drawing
				 Draw a line
				 Click Menu “ Draw”, and  then choose “Line”
				   Specify the start point and end point of the line segment.
				 How to draw a line with the specific angle and length?
				 
				   -  Click Menu “ Draw”, and  then choose “Line”.
-  Specify the first point.
-  Do one of the following  to specify the angle: Enter the left angle bracket (<) and the angle, for example <30,  and move the cursor to indicate the direction.
-  Do one of the following  to specify the length: Enter the length of the line, for example 25.