File:Three facts for trisecting angles.svg
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![File:Three facts for trisecting angles.svg](https://upload.wikimedia.org/wikipedia/commons/thumb/5/54/Three_facts_for_trisecting_angles.svg/550px-Three_facts_for_trisecting_angles.svg.png)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 08:19, 11 February 2008 | ![]() | 550 × 243 (11 KB) | commons>Stannered | {{Information |Description=Three un-proven facts from geometry: # Any full set of angles on a straight line add to 180°, # The sum of angles of any triangle is 180°, ''and'', # Any two equal sides of an isosceles triangle meet the third in the same |
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