How to construct (draw) tangents to a circle through an external point - Math Open Reference
By A Mystery Man Writer
Description
This page shows how to draw the two possible tangents to a given circle through an external point with compass and straightedge or ruler. This construction assumes you are already familiar with constructing the perpendicular bisector of a line segment.
![How to construct (draw) tangents to a circle through an external point - Math Open Reference](https://upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Incircle_and_Excircles.svg/300px-Incircle_and_Excircles.svg.png)
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![How to construct (draw) tangents to a circle through an external point - Math Open Reference](http://tgbasics.weebly.com/uploads/2/5/4/1/25411473/4143610_orig.jpg)
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![How to construct (draw) tangents to a circle through an external point - Math Open Reference](https://tikz.net/wp-content/uploads/2021/11/circle_tangent.gif)
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![How to construct (draw) tangents to a circle through an external point - Math Open Reference](https://study.com/cimages/multimages/16/capture2_13647102078077819537.png)
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![How to construct (draw) tangents to a circle through an external point - Math Open Reference](https://www.mathopenref.com/images/constructions/constperpextpoint/step5.png)
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![How to construct (draw) tangents to a circle through an external point - Math Open Reference](https://d1avenlh0i1xmr.cloudfront.net/40ccfed3-0f56-4c4f-960c-1ba72bd3b5a8/slide12.jpg)
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![How to construct (draw) tangents to a circle through an external point - Math Open Reference](https://www.mathopenref.com/images/constructions/constperplinepoint/proof.png)
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![How to construct (draw) tangents to a circle through an external point - Math Open Reference](https://i.ytimg.com/vi/HEdUc-q9_es/maxresdefault.jpg)
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![How to construct (draw) tangents to a circle through an external point - Math Open Reference](https://www.mathopenref.com/images/constructions/consttangents/step3.png)
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![How to construct (draw) tangents to a circle through an external point - Math Open Reference](https://www.mathopenref.com/images/constructions/consttangents/step4.png)
Printable instructions for drawing tangents to a circle from a
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