How in CAD is determined by the length and angle of another point versus a known point

So, we know that the point is point A, and the other point is point B.

Take A as the center of the circle, take Ab as the radius to make a circle, and then use the xl command to make a construction line with a known angle, so that the construction line passes through the center of the circle, so that the intersection point of the construction line and the edge of the circle is point B.

Specific steps: enter C, space, click point A, enter radius AB, enter XL, space, A (this A is a command, not a point we know), space, enter the angle, click left in the center of the circle, and finish.

That's it for you to draw a straight line with the two points you said:

The command line writes: l

Enter. Select a known point.

Command line again: @a

Enter. where A is the length and B is the angle.

You can also do this if you want to snap directly to another point:

For example, if you want to draw a straight line with another point as the starting point, the command line writes: l enter.

Shift-click the right mouse button to select from.

Select a known point. The command line writes: @a

Enter. where A is the length and B is the angle.

What do you mean by saying: for example, the length between two points of a diagonal line is 100, and the horizontal angle of the diagonal line is 39 degrees, and you know that one point draws this line or another point so quickly.

l Straight command, press enter the first little point, enter @100<39 after the known point, and enter to complete.

You can also < 39 enter and then enter @100. It's the same.

And "is under the English input method "shift+2 and shift+,".

If you specify a point in CAD and know the distance from another point to the point, you can use the built-in "Offset" command or "Circle" command in CAD software to quickly guess the speed of the worm to find the point, the specific steps are as follows:

Use the Offset command: Select a line or other geometry as the reference object, this megamacro starts the Offset command, and specifies the distance to be offset (that is, the known distance), moves the cursor over the reference object, left-clicks to select a point, and a Senshu "programming ring" appears on the screen at a distance specified from the reference object, then moves the programming ring to the specified position, and left-clicks to determine the position of the point.

Use the "Circle" command: Start the "Circle" command, specify the coordinates of the center of the circle as the coordinates of a known point, and then enter a radius of a known distance to draw a circle with a fixed radius, and select a point on the circle as the location of the desired point.

In summary, both of the above methods can quickly find the distance from another point to that point specified in CAD.

For the angular line segment, its input method: relative polar coordinate input method 1, click the line drawing command (or enter the command: line) 2, use the keyboard to enter: @长度 "angle.

Explanation: @ relative to the symbol of the input method.

Length: The length of the line segment you want to draw.

The code of the relative polar coordinates.

Angle: The angle in the counterclockwise direction relative to the x-axis.

It may be a little misleading to you, the x,y coordinates in the attached figure are actually not there, they are to help you analyze, operation steps:

When there are no coordinates on the surface:

1. Click the first point with the mouse.

2. The second point needs to be entered with relative polar coordinates, but when entering with this method, it must be assumed that the first point is used as the coordinate origin!! Remember.

Input: @长度 Angle.

My understanding is: the original line segment ab, known an angle t, a length s, the point sought is c, and the triangle abc middle angle cab=t, ac length s. In this case, it's easy to do it, but it's hard to explain

Click "Line", the starting point is point A, snap point B as the end direction, enter the length S, and hit enter.

At this time, a line segment of length S is overlapped on AB', select and click "Rotate", specify the base point to select point A, enter the angle T (note that it is counterclockwise), and point C is the result.

You can "Insert Point" and modify the "Point Style" to get point C with the AC segment removed.