technical drawing in photonics lesson 3 drawing of regular polygons. perimeter of a circle....

Technical Drawing in Photonics

Lesson 3

Drawing of regular polygons.Perimeter of a circle.

TAMOP-4.1.1.C-12/1/KONV-2012-0005 project „Preparation of the concerned sectors for educational and R&D activities related to the Hungarian ELI project”

Dr. Zsolt István Benkő

Technical drawing in Photonics

Lesson 3

Drawing of a squareThe side is given

Lesson 3

Drawing of a squareinside a given circle

Lesson 3

Drawing of a squareinside a given circle

Lesson 3

Drawing of a squareoutside a given circle

Lesson 3

Drawing of a squareoutside a given circle

Lesson 3

The same technique can be used for every regular polygons:

The sectioning points can be drawn on the circle.

If the polygon is inside the circle then the these points should be connected.

If the polygon is outside the circle then tangents should be drawn at these points.

From this point on only the polygons inside a given circle are drawn.

Lesson 3

Drawing of a regular octagoninside a given circle

Lesson 3

Drawing of a regular hexagoninside a given circle

Lesson 3

Drawing of a regular triangleinside a given circle

Lesson 3

Drawing of a regular triangleinside a given circle

Lesson 3

Drawing of a regular pentagoninside a given circle

Lesson 3

Drawing of a regular heptagoninside a given circle

Lesson 3

Drawing of a regular N-sided polygoninside a given circle

Lesson 3

Drawing the (half) perimeter of a given circle

Lesson 3

Dividing a given circle into 12 parts

Lesson 3

Dividing a given circle into 12 parts

Lesson 3

References

1. Ocskó Gy., Seres F.: Gépipari szakrajz, Skandi-Wald Könyvkiadó, Budapest, 2004

2. Lőrincz P., Petrich G.: Ábrázoló geometria, Nemzeti Tankönyvkiadó Rt., Budapest, 1998

3. Pintér M.: AutoCAD tankönyv és példatár, ComputerBooks, Budapest, 2006

technical drawing in photonics lesson 3 drawing of regular polygons. perimeter of a circle....

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