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Tangent

Selects a point tangent to a circle

 

NOTE: 

 

Drawing a Line

After selecting Tangent, select a circle. The line will then be tangent (touching at a single point) to the selected circle.

Both green lines are tangent to the circle

 

Drawing a Circle

After selecting Tangent, select a circle or line. The circle will be drawn tangent to the line or circle.

The green circle is tangent to the magenta circle

 

If it is not possible to draw the circle at a tangent to the selected entity, you will hear a beep and the new entity is not drawn.

If there are multiple possible tangents that could be drawn, the tangent is drawn to the tangent location closest to where you clicked.