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Circles and Tangents
Technical Drawing Applications · Chapter 8 · 5. Geometrical constructions
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Topics 6
- Parts of a circle; finding the centre of a circle; drawing an arc or circle through two or three given points
- Finding the circumference of a circle of given radius and the length of a given arc by construction
- Tangent to a circle or arc from a point on it and from a point outside it
- Two tangents at a given inclination to each other; tangent parallel to a given line
- Common exterior tangents to two equal or unequal circles that touch, do not touch or cut each other
- Common interior tangents to two equal or unequal circles that touch or do not touch each other