PAU Technical Drawing II (Andalusia) Practice Questions - Andalusia PAU Technical Drawing II (Dibujo Técnico II) Exam

In plane geometry tangency theory, what is the fundamental relationship between two mutually tangent circles?

Their radii must be equal in length. The point of tangency always lies on the straight line connecting their centers. The line segment connecting their centers is perpendicular to the radical axis at a point outside both circles. Their centers are equidistant from the origin of coordinates.

Correct Answer:

The point of tangency always lies on the straight line connecting their centers.

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