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Circles, Tangents and Normals
Geometrical and Mechanical Drawing · Chapter 4 · Section A: Plane Geometry
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Topics 3
- Problems on circles: circles through points, inscribed and escribed circles, circles touching lines and circles
- Tangents to a circle from a point; external and internal (direct and transverse) common tangents
- Normals to a circle; joining lines and arcs with tangent arcs (blending)