# Geometry Forum

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

1. ### Existence of inversion

• Replies: 2
• Views: 444
May 19th 2010, 02:27 PM
2. ### Problem of Apollonius

• Replies: 1
• Views: 671
May 19th 2010, 11:33 AM
3. ### Locuses

• Replies: 1
• Views: 1,014
May 19th 2010, 07:29 AM
4. ### I'm looking for a geometry book?

• Replies: 1
• Views: 458
May 19th 2010, 05:32 AM
5. ### Nonagon

• Replies: 1
• Views: 530
May 18th 2010, 11:31 PM
6. ### Proof on Interior Points + Pool Table

• Replies: 3
• Views: 617
May 18th 2010, 07:58 PM
7. ### Fructum

• Replies: 5
• Views: 719
May 18th 2010, 07:39 PM
8. ### circle/ellipse question

• Replies: 1
• Views: 390
May 18th 2010, 05:24 PM
9. ### Find a point on the line when given the equation

• Replies: 1
• Views: 420
May 18th 2010, 10:27 AM
10. ### Circle

• Replies: 1
• Views: 667
May 18th 2010, 05:07 AM
11. ### Angle bisector of paired lines

• Replies: 5
• Views: 477
May 18th 2010, 04:03 AM
12. ### A few analytic geometry questions...

• Replies: 3
• Views: 375
May 17th 2010, 06:29 PM
13. ### circle problems need help

• Replies: 2
• Views: 1,229
May 17th 2010, 06:03 PM
14. ### Equation of circle and diameter of hyperbola.

• Replies: 6
• Views: 807
May 17th 2010, 05:17 PM
15. ### Rectangle hyperbola

• Replies: 2
• Views: 393
May 16th 2010, 06:13 PM
16. ### find the locus

• Replies: 1
• Views: 335
May 16th 2010, 10:48 AM
17. ### Sketching Repricocals and Cubics Help

• Replies: 1
• Views: 493
May 14th 2010, 09:02 PM
18. ### diameter of a circle

• Replies: 2
• Views: 508
May 14th 2010, 08:54 PM
19. ### rearranging equasions

• Replies: 5
• Views: 470
May 14th 2010, 07:21 PM
20. ### L is Tangent to C?

• Replies: 1
• Views: 331
May 14th 2010, 10:21 AM
21. ### Find coordinates of 3rd vertex(x,y,z) of triangle(3D)

• Replies: 8
• Views: 3,553
May 14th 2010, 01:01 AM
22. ### Triangle HAT

• Replies: 2
• Views: 442
May 13th 2010, 08:18 PM
23. ### Concentric Circles

• Replies: 5
• Views: 1,684
May 13th 2010, 08:04 PM

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### cosx= .4583?

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