The second tutorial is going to have a drawer right angle or triangle. So, first we the side, so we select the line segment, and do the two points, and we get a side. This side we can move around fully, no problems at all.
Now opposite of right angle, we need a perpendicular. Luckily up there, we can draw the perpendicular line. You select the side and then, the point. And, it draws a perpendicular line that goes through point A. Now, if move point A, we could see the perpendicular line goes around with it.
Now, next we need to put a point on this line, but a third of vertices of a triangle. So, we select point and make sure that line is selected and we put the point on that line.
This point is track on the line, I cannot get off it and we cannot get off the line with it, it can go up and down. if there was a line array, the point going with it, there it is.
Now, we join up the rest of the triangles so again, we can pick polygon too.
Now, there is our triangle draw. And now, we hide the things we do not want in that triangle. So, we select this big line and with that show, we do not want it to show. And then, we got actually two drawings stand out on top of each other. We take on segment A and segment C. Segment C is to build the polygon, segment A was the original line that we drew.
So we select segment A, and we do not want to show that either. So now we have rectangle triangles in there. We can cruise on that around but always stay right angle. Then you think there is wrong with it now other labels that quite right.
We got A, B, and C that the purchases are okay. But, we got A1, B1, and C we just change of those. That is not a problem. We can click on that, rename it and we rename it A. And, we will click on that and we rename that one B, and now our triangle is looking just perfect.
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