In Draw, how can I join two lines of given length with angle of 95.9 degrees?

To me, this ought to be very simple but I’m finding it impossible.

I’ve used a straight connector for each line, which are of the required lengths, and rotated one of them so it’s at 95.9 degrees to the other.

However, if I want to join the two lines, it seems I have to drag a connecting point for one line to the connecting point of the other. In doing so the length and angle of the first line gets changed. I can’t then change the line’s properties to get the length and angle right again (Draw just ignores entries I make for its properties).

How do I solve this?

Thanks all. I’ve tried to upvote everyone (all answers were useful) but don’t have enough karma. EDIT: my karma’s jumped (don’t know why), so now upvoted.

Whether I will continue to use Draw for this, I don’t know. I’m doing a floor plans, with maybe some elevations, for my house which is quite old and with a large number of non-right angles, indentations, some curves and so on.

This is not a solution to your problem. It belongs to a comment. Please, use the more link (only you can see it) to repost as comment.

For floor plans, I’d rather suggest a CAD application. I’m personally satisfied with FreeCAD which has an Architecture module, making it easy to in fact “build” in 3D.

@shysm, Just below your answer there is a “more” button. Please, touch it and select “repost as a question comment”. Thanks.

Addition 1: Easier solution: Select both lines, choose menu `Shape`-`Align`-`Left` or `Right`, then choose menu `Shape`-`Align`-`Bottom` or `Top`.

You can choose menu `Shape`-`Line` instead of Connector.

To rotate the line, select the line and choose menu `Format`-`Position and Size…` (or just press `F4`), and in the `Rotation` tab give a value to `Angle:`, `OK`.

Edit 1: To move both end points: Choose menu `Edit`-`Points` (or just press `F8`), select both points of the line (`click` and `shift+click`, or drag a selection frame around both points). Drag one point to join the other line.

Addition 2: No need to select both points, just drag the line to join the other.

To join both lines will be easier if `Snap to Object Border` or `Snap to Object Points` are active (to do that choose menu `Edit`-`Snap Guides`).

Addition 3: After selecting both lines and choosing menu `Shape`-`Group`-`Group`, you can change individual format of each line. To do that: select the group, press `F3` (or choose menu `Shape`-`Group`-`Enter Group`), select one line, make your changes and press `Ctrl+F3` (or choose menu `Shape`-`Group`-`Exit Group`).

Addition 4: Selecting both lines and choosing menu `Shape`-`Combine` would convert both lines in a polygon. To partialy revert this, choose menu `Shape`-`Split` (they will be no more lines, but polygons).

Check the mark () to the left of the answer that solves your question.

As ebot and LeroyG have suggested, i would strongly recommend using Lines. Connectors don’t remember their previous angle and aren’t constrained by by the Shift key.

My usual method would be to draw one line roughly (constrained or not) then right-click on it and select Position and Size (or F4) . Under the tab Position and Size I would enter the appropriate dimensions and select the appropriate Base point position, OK out.

Copy and paste it in position, right-click Position and Size again and enter the appropriate dimensions for the second line, I would then open the Rotation tab and enter the rotation angle of 95.9 degrees (264.1 deg for clockwise) and carefully select the pivot point such that it will pivot at the point that you want the join, OK out. You should have two lines of length you want at the angle you set with the same origin. Select both and Group

I don’t know any solution to connect two lines.

Workaround:
Draw your two lines. Bring them together visually at the corner point. Use a large zoom level for this. Use `Alt + arrow keys` for finer positioning. When the lines meet, mark both lines. Right-click on them and select “Group” from the context menu.

``````REM  *****  BASIC  *****

REM There is a conflict: The standard orienatation of the X-Y-axes
REM for a DrawPage in LibreOffice is rightward-downward.
REM The usual standard for geometric drwaings is rightward-upward.
REM Left-turning angles are counted positive in usual geometric drwaings,
REM and should therefore be counted negative in a DrwaPage.
REM I did NOT accept this consequence, and neededed therefore to apply a ChgSgn
REM to values of the kind Delta-Y.

Sub drawAngle(Optional pDp as Object, _
Optional pX0, Optional pY0, _
Optional pL1, Optional pPhi1, _
Optional pL2, Optional pAlpha)
If IsMissing(pDp)    Then pDp    = ThisComponent.DrawPages(0)
If IsMissing(pX0)    Then pX0    = 15000
If IsMissing(pY0)    Then pY0    = 25000
If IsMissing(pL1)    Then pL1    = 10000
If IsMissing(pPhi1)  Then pPhi1  = Pi()
If IsMissing(pL2)    Then pL2    = 20000
If IsMissing(pAlpha) Then pAlpha = 95.9 * (Pi() / 180)
REM The default values are arbitrary. For the angle the value 95.6° is taken from the question.
phi2 = pPhi1 - Pi() + pAlpha
polyLsh = ThisComponent.createInstance("com.sun.star.drawing.PolyLineShape")
Dim angleSequence(2) As New com.sun.star.awt.Point
angleSequence(0).X = pX0
angleSequence(0).Y = pY0
angleSequence(1).X = angleSequence(0).X + pL1 * COS(pPhi1)
angleSequence(1).Y = angleSequence(0).Y - pL1 * SIN(pPhi1)
angleSequence(2).X = angleSequence(1).X + pL2 * COS(phi2)
angleSequence(2).Y = angleSequence(1).Y - pL2 * SIN(phi2)
polyLsh.Polygon = angleSequence
End Sub
``````

Try the CADLO extension. It adds some (simple) CAD functionality to the Draw application. You can draw two crossed lines with the desired angles, and then you can crop the irrelevant part of the lines by the cut feature! image description

I’m late to the party, but in fact you select both lines, then right click on the two selected lines, click on Shapes, and then click on Combine.