# Geometry Forum

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

1. ### Unidentified shape made by algorithm, I have a picture

• Replies: 1
• Views: 362
Oct 11th 2009, 06:25 AM
2. ### Problems with cubes

• Replies: 1
• Views: 1,946
Oct 11th 2009, 04:34 AM
3. ### Vector-points-angle problem

• Replies: 5
• Views: 623
Oct 10th 2009, 06:00 AM
4. ### [SOLVED] Finding the equation of curve

• Replies: 2
• Views: 473
Oct 9th 2009, 11:35 PM
5. ### Determine Angle X.

• Replies: 8
• Views: 535
Oct 9th 2009, 02:40 AM
6. ### Coordinate geometry

• Replies: 2
• Views: 512
Oct 9th 2009, 12:32 AM
7. ### Perpendicular

• Replies: 2
• Views: 486
Oct 8th 2009, 07:28 PM
8. ### Strange geometry patterns help interpret

• Replies: 0
• Views: 656
Oct 8th 2009, 05:48 AM
9. ### True/False and Fill in the Blank statements confusing!

• Replies: 3
• Views: 2,641
Oct 8th 2009, 04:27 AM
10. ### Hard Questions

• Replies: 3
• Views: 881
Oct 7th 2009, 10:48 PM
11. ### Geometry Review help

• Replies: 1
• Views: 514
Oct 7th 2009, 07:45 PM
12. ### Quick vector question

• Replies: 1
• Views: 461
Oct 7th 2009, 12:02 PM
13. ### Eccentricity of Lemniscate of Bernoulli

• Replies: 2
• Views: 952
Oct 7th 2009, 11:52 AM
14. ### A rectangle with a diagonal of length is twice as long as it is wide. What is the ar

• Replies: 1
• Views: 1,638
Oct 7th 2009, 02:14 AM
15. ### [SOLVED] 7 and 11 sided polygons

• Replies: 2
• Views: 749
Oct 6th 2009, 08:03 PM
16. ### Finding distance to an object if it's height is known

• Replies: 1
• Views: 1,394
Oct 6th 2009, 01:12 PM
17. ### How much of the area is preserved when you inscribe circles in circles

• Replies: 2
• Views: 1,100
Oct 6th 2009, 08:04 AM
18. ### A hard question of finding angle

• Replies: 4
• Views: 769
Oct 5th 2009, 08:24 PM
19. ### True or false?

• Replies: 3
• Views: 757
Oct 5th 2009, 05:46 PM
20. ### Find Unit vector parallel to xy plane and perp. to a vector

• Replies: 2
• Views: 5,034
Oct 5th 2009, 03:25 PM
21. ### Inversive geometry question-ellipse and limacon

• Replies: 0
• Views: 600
Oct 5th 2009, 01:05 PM
22. ### Calculate the angles

• Replies: 3
• Views: 545
Oct 5th 2009, 07:58 AM
23. ### Rotating triangle on lattice points

• Replies: 1
• Views: 631
Oct 5th 2009, 06:00 AM
24. ### Geometry problem

• Replies: 1
• Views: 461
Oct 4th 2009, 03:07 PM
25. ### Calculating Angle between two 2D Points, WITH A CATCH!

• Replies: 1
• Views: 1,214
Oct 4th 2009, 06:45 AM

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### cosx= .4583?

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