# Geometry Forum

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

1. ### Triangle

• Replies: 5
• Views: 916
Nov 24th 2010, 09:52 AM

• Replies: 2
• Views: 729
Nov 24th 2010, 08:20 AM
3. ### failed last year

• Replies: 4
• Views: 776
Nov 24th 2010, 06:19 AM
4. ### Slope problems,

• Replies: 2
• Views: 594
Nov 23rd 2010, 03:38 PM
5. ### triangle with vertices (-5,0), (5,0) and (5cos A , 5sin A )

• Replies: 4
• Views: 942
Nov 23rd 2010, 09:42 AM
6. ### hyperbola problem

• Replies: 0
• Views: 707
Nov 23rd 2010, 09:16 AM
7. ### Parametric equation of the square? (or the cube in 3D)

• Replies: 2
• Views: 9,000
Nov 22nd 2010, 09:48 AM
8. ### ellipse problem

• Replies: 0
• Views: 766
Nov 22nd 2010, 09:33 AM
9. ### Stripping a cone

• Replies: 1
• Views: 638
Nov 22nd 2010, 09:26 AM
10. ### easy geometry!

• Replies: 10
• Views: 732
Nov 22nd 2010, 08:27 AM
11. ### Volume problem

• Replies: 3
• Views: 514
Nov 22nd 2010, 07:19 AM
12. ### Hyperbola-circle connection

• Replies: 0
• Views: 749
Nov 21st 2010, 10:46 AM
13. ### Legs of triangles and hypotenuse.

• Replies: 3
• Views: 489
Nov 21st 2010, 10:29 AM
14. ### Proving the side in a triangle is half as long as the hypotenuse.

• Replies: 2
• Views: 917
Nov 21st 2010, 08:09 AM
15. ### Logic?

• Replies: 3
• Views: 475
Nov 21st 2010, 05:34 AM
16. ### Vector Proof Help

• Replies: 5
• Views: 825
Nov 18th 2010, 06:45 PM
17. ### Line plane intersect within boundaries

• Replies: 4
• Views: 821
Nov 18th 2010, 03:35 AM
18. ### ellipse

• Replies: 1
• Views: 534
Nov 17th 2010, 07:48 AM
19. ### ellipse area

• Replies: 6
• Views: 577
Nov 17th 2010, 06:59 AM
20. ### Find Coordinates of point given length and formula of line

• Replies: 3
• Views: 1,769
Nov 16th 2010, 10:55 PM
21. ### ellipse

• Replies: 1
• Views: 1,762
Nov 16th 2010, 12:29 PM
22. ### Vector Proof Problem

• Replies: 2
• Views: 531
Nov 16th 2010, 06:15 AM
23. ### Coordinate Proof... Perpendicular Lines

• Replies: 1
• Views: 456
Nov 16th 2010, 02:07 AM

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### cosx= .4583?

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