.
. , 0,0. , . . ³ X Y . ³ , .
@ ( < Shift > <2>).
, 50 . 20, 30. , 70, 30 (20+50, 30), : @50,0.
. line 4060 . :
Command: line
Specify first point: 70,90
Specify next point or [Undo]: @40,0
Specify next point or [Undo]: @ 0,60
Specify next point or [Undo/Close]: @ -40,0
Specify next point or [Undo/Close]: c
, .
.
. - XY. . AutoCAD <. (, 100<60, 100 60 ). ³ , , @ , .
. , . :
Command: line
Specify first point: 70,90
Specify next point or [Undo]: @40<0
Specify next point or [Undo]: @60<90
Specify next point or [Undo/Close]: @40<180
Specify next point or [Undo/Close]: c
. . < F6 > .
2.
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1. ³ , 1
2. , , . p1 p2 ( ), angle ( 180). p3 ( ) p1. p2.
SNAP,
10
3. R1 R2 R3 (R4).
.
.
() o1 o2 R1+R3 R2+R3 . . xline , . , arc ( R1+R3 R2+R3). .
R1=10, R2=15, R3=30.
.
- R4-R1 R4-R2. R4=40.
4. .
.
. . zoom . GRID 1 2 .
.
:
- LINE, PLINE, XLINE?
- ?
- ³ ?
- PLINE?
- CIRCLE
3.