# Geometry Forum

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

1. ### A Vector problem

• Replies: 1
• Views: 661
Dec 30th 2009, 06:17 AM
2. ### Co-ordinates

• Replies: 1
• Views: 464
Dec 29th 2009, 05:42 AM
3. ### overlap tiling with isosceles triangle

• Replies: 0
• Views: 621
Dec 28th 2009, 08:07 PM
4. ### Find the center and radius of circle

• Replies: 3
• Views: 668
Dec 28th 2009, 03:45 PM
5. ### Find the equation and comman chord of a circle

• Replies: 6
• Views: 1,114
Dec 28th 2009, 03:24 AM
6. ### Prove that trapezoid inscribed in a circle is isosceles.

• Replies: 3
• Views: 11,446
Dec 27th 2009, 07:57 PM
7. ### Isosceles triangle question

• Replies: 3
• Views: 494
Dec 27th 2009, 06:05 PM
8. ### Prove surface area of cuboid.

• Replies: 2
• Views: 1,419
Dec 27th 2009, 02:24 AM

• Replies: 2
• Views: 1,182
Dec 25th 2009, 11:19 AM
10. ### orthogonal vectors point of intersection

• Replies: 3
• Views: 1,010
Dec 24th 2009, 01:40 AM
11. ### Will this TV Fit My Cabinet?

• Replies: 1
• Views: 854
Dec 23rd 2009, 05:52 PM
12. ### Number of Vertices from Polyhedron

• Replies: 1
• Views: 643
Dec 23rd 2009, 05:01 AM
13. ### Median of a Triangle

• Replies: 1
• Views: 637
Dec 22nd 2009, 08:03 AM
14. ### Isosceles Triangle ABC

• Replies: 1
• Views: 795
Dec 22nd 2009, 07:55 AM
15. ### Is ACKE A Parallelogram?

• Replies: 1
• Views: 621
Dec 22nd 2009, 07:41 AM
16. ### How can I get coordinates for a position given a specified heading in degrees?

• Replies: 6
• Views: 833
Dec 21st 2009, 05:54 PM
17. ### converting between two cordinate systems

• Replies: 3
• Views: 1,873
Dec 21st 2009, 06:28 AM
18. ### geometry

• Replies: 2
• Views: 729
Dec 21st 2009, 03:18 AM
19. ### similar triangles

• Replies: 1
• Views: 869
Dec 21st 2009, 01:49 AM
20. ### Help

• Replies: 2
• Views: 517
Dec 20th 2009, 07:41 PM
21. ### distance between 2 points in 3D space

• Replies: 1
• Views: 842
Dec 19th 2009, 03:00 AM
22. ### Need help on vector geometry..

• Replies: 1
• Views: 582
Dec 19th 2009, 01:49 AM
23. ### Help with postulates and theorems

• Replies: 4
• Views: 4,466
Dec 18th 2009, 01:45 PM
24. ### Two pairs of values that have the same AGM

• Replies: 9
• Views: 859
Dec 18th 2009, 12:26 PM
25. ### What type of Map projection is used in Cooks chart of New Zealand?

• Replies: 0
• Views: 587
Dec 17th 2009, 06:01 AM
26. ### Triangles Help Needed

• Replies: 5
• Views: 862
Dec 16th 2009, 05:52 PM

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### cosx= .4583?

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