# Geometry Forum

Geometry Help Forum: Euclidean, basic geometric proofs, volumes, perimeters

1. ### "The end of Pi?", this can't be mathematically valid, right?

• Replies: 3
• Views: 995
Aug 25th 2010, 01:51 PM
2. ### Area Problem

• Replies: 6
• Views: 658
Aug 25th 2010, 01:51 PM
3. ### Right Angles

• Replies: 2
• Views: 373
Aug 24th 2010, 09:55 PM
4. ### Geometric "Pi Segement Construction" algorithims?

• Replies: 3
• Views: 604
Aug 23rd 2010, 07:42 PM
5. ### Calculating Surface Normals for Points

• Replies: 4
• Views: 1,077
Aug 23rd 2010, 04:04 PM
6. ### Dividing of an angle

• Replies: 3
• Views: 700
Aug 23rd 2010, 03:17 AM
7. ### Triangles in 20 non-straight-line "dots"

• Replies: 5
• Views: 604
Aug 22nd 2010, 12:26 PM
8. ### difficult hsc geometry

• Replies: 2
• Views: 796
Aug 22nd 2010, 02:43 AM
9. ### circle geometry

• Replies: 2
• Views: 511
Aug 21st 2010, 12:44 PM
10. ### circle geomtry III

• Replies: 1
• Views: 738
Aug 21st 2010, 07:55 AM
11. ### circle geomtry II

• Replies: 1
• Views: 448
Aug 21st 2010, 07:44 AM
12. ### Generic Max/Min process

• Replies: 4
• Views: 586
Aug 20th 2010, 09:18 PM
13. ### Combination of Positive Integers

• Replies: 2
• Views: 482
Aug 20th 2010, 08:12 AM
14. ### Spherical Vector To Cartesian Vector

• Replies: 7
• Views: 856
Aug 20th 2010, 07:06 AM
15. ### Circle-Cirlce tangent in three dimensions

• Replies: 0
• Views: 572
Aug 18th 2010, 02:14 PM
16. ### Proofs of the Theorems on Circumscribable Quadrilaterals

• Replies: 16
• Views: 1,852
Aug 18th 2010, 02:45 AM
17. ### ratio of the amount of tin...

• Replies: 6
• Views: 1,587
Aug 16th 2010, 01:05 PM
18. ### volumes of cylinders

• Replies: 5
• Views: 589
Aug 16th 2010, 08:48 AM
19. ### Help with Problem Solving.

• Replies: 4
• Views: 534
Aug 15th 2010, 03:12 PM

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### cosx= .4583?

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