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..........Drawing large circles..............

http://www.cartage.org.lb/en/themes/Arts/drawings/...

.....More Geometric Constructions

http://www.jimloy.com/geometry/constru0.htm

http://animeworld.com/howtodraw/bodies1.html

Drawing With Office97/PowerPoint

http://oregonstate.edu/instruction/ed596/draw/draw...

All circles are proportional just as all squares are proportional. All circles are similar, though not congruent. However, if you want to draw a perfect circle, use a compass or a template. I would think it is better to use a compass since you can change the size at whim.

What is the definition for porportinal? I am not familiar with this word. Is it from another language?

If you dont have a compass, use a stick pin and string.

tie the string toghether at both ends, place on pin and other end place pencil. and draw around pin.

Place another pin inside the string to make elipse's

This is the way I spend my time when I am alone. :)

What it means proportinal?

If the correct word is proportional, any one circle you can draw is proportional

use a compass or another round object

use a compass!