# Geometry Forum

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

1. ### Similar Triangles

• Replies: 4
• Views: 631
Sep 28th 2008, 09:22 PM
2. ### Postulates vs Definitions

• Replies: 1
• Views: 1,214
Sep 28th 2008, 03:47 PM
3. ### Smaller Billboard

• Replies: 2
• Views: 947
Sep 28th 2008, 06:49 AM
4. ### weird triangle question

• Replies: 3
• Views: 866
Sep 28th 2008, 05:35 AM
5. ### Triangular Plot

• Replies: 2
• Views: 2,037
Sep 27th 2008, 09:36 PM
6. ### Equation of Parabola

• Replies: 2
• Views: 478
Sep 27th 2008, 09:35 PM
7. ### Straight 3-sided pyramid

• Replies: 1
• Views: 1,958
Sep 27th 2008, 02:59 PM
8. ### Max Numbers of Different Triangles

• Replies: 2
• Views: 523
Sep 27th 2008, 04:25 AM
9. ### Semicircular Arch

• Replies: 2
• Views: 752
Sep 27th 2008, 04:20 AM
10. ### Circles Within Circles

• Replies: 10
• Views: 1,139
Sep 26th 2008, 03:20 PM
11. ### cube volumes

• Replies: 1
• Views: 446
Sep 26th 2008, 11:31 AM
12. ### Rhombus ABCD

• Replies: 2
• Views: 990
Sep 26th 2008, 05:01 AM
13. ### Find Coordinates of Point B

• Replies: 2
• Views: 2,029
Sep 26th 2008, 05:00 AM
14. ### Having some trouble with Properties of Equality...

• Replies: 1
• Views: 1,260
Sep 26th 2008, 03:57 AM
15. ### [SOLVED] Triangle &amp; vectors

• Replies: 1
• Views: 601
Sep 25th 2008, 10:53 PM
16. ### Coordinate Geometry Proofs

• Replies: 2
• Views: 722
Sep 25th 2008, 01:37 PM
17. ### How Many Different Triangles?

• Replies: 2
• Views: 952
Sep 25th 2008, 01:36 PM
18. ### TRIANGLE ANGLES AND LINES

• Replies: 3
• Views: 800
Sep 24th 2008, 07:39 PM
19. ### Help on homework SAS CONGRUENCE POSTULATE

• Replies: 3
• Views: 3,562
Sep 24th 2008, 10:13 AM
20. ### trapizoidal figure

• Replies: 1
• Views: 672
Sep 23rd 2008, 11:40 PM
21. ### area of a sector

• Replies: 2
• Views: 700
Sep 23rd 2008, 02:41 PM
22. ### Convex help please!

• Replies: 3
• Views: 1,026
Sep 23rd 2008, 01:40 PM
23. ### Circumference help!

• Replies: 8
• Views: 596
Sep 23rd 2008, 01:14 PM
24. ### equation of semi circle

• Replies: 7
• Views: 7,275
Sep 23rd 2008, 09:01 AM

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### cosx= .4583?

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