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I am trying to draw a triangle with vertices A(-297,-209), B(-5,10), C(67,31)and inscribed.
I tried

\documentclass{standalone} \usepackage{tkz-euclide} \usetkzobj{all} \begin{document} \begin{tikzpicture}[scale=0.5] \tkzDefPoint(-297,-209){A} \tkzDefPoint(-5,10){B} \tkzDefPoint(67,31){C} \tkzDrawPolygon[ultra thick](A,B,C) \tkzDefCircle[in](A,B,C) \tkzGetPoint{O} \tkzGetLength{rIN} \tkzDrawPoints(A,B,C,O) \tkzDrawCircle[R,color=red,ultra thick](O,\rIN pt) \tkzLabelPoints(B,C) \tkzLabelPoints(A,O) \end{tikzpicture} \end{document}

How can I get a nice view with this picture?

This is picture from Maple.

enter image description here

enter image description here

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3
  • What do you intend for "nice"? Enlarged? Colored? Bold? Commented Dec 23, 2018 at 8:46
  • Enlarged and bold. I tried option [ultra thick] Commented Dec 23, 2018 at 8:47
  • Some suggestions : replace scale=0.5 by scale=0.05. You can also add line join=round and add [above] in \tkzLabelPoints[above](B,C). Commented Dec 24, 2018 at 17:22

1 Answer 1

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You want to replace ultra thick with a specific value. Use the line width key instead and set it equal to whatever dimension works for you (e.g. 10pt, 4em, 20ex, etc.).

However, I would also suggest removing the [scale=0.5]. For example, in the example here, [scale=0.5] doesn't seem to properly scale the labels of the axes.

As mentioned, I also added the axes here with similar labeling to your image. A few other changes added to make the labels for the points fit better.

\documentclass{standalone} \usepackage{tkz-euclide} \usetkzobj{all} \begin{document} \begin{tikzpicture} \tkzInit[xmin=-300, xmax=50, xstep=50, ymax=50, ymin=-200, ystep=50] \tkzDrawX[line width=1pt,label={}]\tkzLabelX[orig=false] \tkzDrawY[line width=1pt,label={}]\tkzLabelY[orig=false] \tkzDefPoint(-297,-209){A} \tkzDefPoint(-5,10){B} \tkzDefPoint(67,31){C} \tkzDrawPolygon[line width=2pt](A,B,C) \tkzDefCircle[in](A,B,C) \tkzGetPoint{O} \tkzGetLength{rIN} \tkzDrawPoints[size=3pt](A,B,C,O) \tkzDrawCircle[R,color=red,line width=2pt,fill=green,fill opacity=0.3](O,\rIN pt) \tkzLabelPoints[below right](A) \tkzLabelPoints[above left](B) \tkzLabelPoints[above right](C) \tkzLabelPoints[below right](O) \end{tikzpicture} \end{document}

tkz-euclide axes triangle and circle

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    It would be good to change, if possible, the line join. Commented Dec 26, 2018 at 18:14
  • @Sigur I'm not sure I understand what you mean. Do you mean the circle and triangle overlapping? Or something different? Commented Dec 26, 2018 at 18:19
  • Google for line join cap Commented Dec 26, 2018 at 18:32
  • It's not part of the question. OP can create a new question if the "connection between lines in the triangle" is not to his/her liking. Commented Dec 26, 2018 at 18:43
  • 1
    Since he asked for nice view I think that could be useful. No problem. Commented Dec 26, 2018 at 18:46

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