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Home » Mathematics » High School Pre-Olympiad (Ages 14+)
 
Nonagon
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Hexaditidom
Riemann Hypothesis
Riemann Hypothesis


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Joined: 15 Apr 2004
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#1
Nonagon
A regular nonagon is in a plane. 3 of its vertices are joined to make an equilateral triangle, and 3 congruent trapezoids are formed. What is the ratio of the area of the triangle to that of one of the trapezoids?
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PostPosted: Thu Apr 21, 2005 11:20 am  Back to top 
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seamusoboyle
Navier-Stokes Equations
Navier-Stokes Equations


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#2
9 sides?
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PostPosted: Thu Apr 21, 2005 11:26 am  Back to top 
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zabelman
Navier-Stokes Equations
Navier-Stokes Equations


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#3
seamusoboyle wrote:
9 sides?


Yes, nonagon = 9 sides.
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PostPosted: Thu Apr 21, 2005 5:11 pm  Back to top 
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