# Geometry Forum

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

1. ### Equilateral Triangles.

• Replies: 4
• Views: 559
Jan 6th 2011, 06:48 AM
2. ### length of the diagonal

• Replies: 3
• Views: 561
Jan 5th 2011, 07:05 PM
3. ### help with expressions

• Replies: 1
• Views: 491
Jan 5th 2011, 07:08 AM

• Replies: 4
• Views: 631
Jan 3rd 2011, 04:13 PM
5. ### Area Of Intersection Between Two Circles

• Replies: 12
• Views: 2,500
Jan 3rd 2011, 10:41 AM
6. ### Tetrahedron equality

• Replies: 0
• Views: 472
Jan 1st 2011, 06:40 PM
7. ### Find the equation of line that ....

• Replies: 2
• Views: 408
Dec 31st 2010, 04:10 PM
8. ### Circle Geometry

• Replies: 6
• Views: 713
Dec 30th 2010, 10:30 AM
9. ### Chords

• Replies: 4
• Views: 1,137
Dec 29th 2010, 07:19 AM
10. ### Finding the equation of a circle given it pases through the 4 vertices of a pyramid?

• Replies: 8
• Views: 875
Dec 28th 2010, 12:19 AM
11. ### Drawing Graphs - Adding

• Replies: 3
• Views: 499
Dec 27th 2010, 01:04 PM
12. ### rhombus diagonal

• Replies: 2
• Views: 478
Dec 26th 2010, 06:03 AM
13. ### a few math team problems need help with

• Replies: 5
• Views: 799
Dec 23rd 2010, 04:38 PM
14. ### Show that ....

• Replies: 6
• Views: 810
Dec 19th 2010, 03:51 PM
15. ### Intersection of Plane and Sphere

• Replies: 1
• Views: 654
Dec 19th 2010, 12:57 PM
16. ### hyperbola

• Replies: 3
• Views: 1,501
Dec 19th 2010, 08:32 AM
17. ### any more possible arrangement of AC>AB and BD<BC

• Replies: 12
• Views: 597
Dec 18th 2010, 04:22 AM
18. ### Using algebra, To solve Triangles

• Replies: 3
• Views: 716
Dec 15th 2010, 07:43 PM

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### cosx= .4583?

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