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 Location, location, location (Posted on 2015-03-12)
You are given a drawing of a circle,

Find the location of its center, using a compass only.

 No Solution Yet Submitted by Ady TZIDON No Rating

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 re(2): To answer the question... | Comment 3 of 8 |

In the problem, the centre just needs to be located.

However:

1. Construct circle A1, centred on the circumference of the given circle, O1, intersecting it at B and C.

2. Construct circles B1 and C1, centred on B and C, both passing through A, and another point, D.

3. Construct circle D1, centred on D, and passing through A. This circle intersects A1 at E and F.

4. Construct circles E1 and F1, centred on E and F, and passing through A. Their other point of intersection is then O, the centre of O1.

 Posted by broll on 2015-03-12 23:18:02

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