# Geometry Forum

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

1. ### a cylinder full of water

• Replies: 2
• Views: 460
Oct 23rd 2012, 01:44 AM
2. ### Questions relating to asymptotes

• Replies: 1
• Views: 353
Oct 22nd 2012, 04:02 PM
3. ### [SOLVED] measure of the complement angle

• Replies: 3
• Views: 669
Oct 22nd 2012, 02:06 AM
4. ### Finding an angle within this triangle

• Replies: 4
• Views: 963
Oct 22nd 2012, 12:53 AM
5. ### help about right triangles!

• Replies: 1
• Views: 456
Oct 20th 2012, 10:01 PM
6. ### How to derive Einstein's radius equation?

• Replies: 0
• Views: 396
Oct 20th 2012, 04:35 PM
7. ### Sphere inscribed in pyramid

• Replies: 0
• Views: 557
Oct 20th 2012, 03:06 AM
8. ### Aug 2012 regents question (triangle points)

• Replies: 1
• Views: 3,134
Oct 18th 2012, 03:06 AM
9. ### Need help figuring area of outfield of a baseball field

• Replies: 9
• Views: 3,733
Oct 17th 2012, 07:40 PM
10. ### Drawing a circle with squares

• Replies: 1
• Views: 824
Oct 15th 2012, 06:35 AM
11. ### Best way to estimate number of hexagonal facets on an insect eye if assume a sphere?

• Replies: 2
• Views: 1,645
Oct 15th 2012, 06:16 AM
12. ### hello math wizards! this is a problem about solid mensuration.help me please! thanks

• Replies: 3
• Views: 1,871
Oct 14th 2012, 09:01 AM
13. ### geometry help

• Replies: 2
• Views: 482
Oct 13th 2012, 09:30 PM
14. ### Cylinder exterior surface area

• Replies: 4
• Views: 3,007
Oct 11th 2012, 11:42 PM
15. ### [SOLVED] Surface area questions

• Replies: 1
• Views: 630
Oct 11th 2012, 04:14 PM
16. ### challenge

• Replies: 2
• Views: 781
Oct 11th 2012, 05:28 AM
17. ### Help with three geometry problems!

• Replies: 4
• Views: 670
Oct 10th 2012, 01:51 PM
18. ### A sum: Find area of a section inside inside a triangle.

• Replies: 1
• Views: 527
Oct 10th 2012, 12:18 AM
19. ### Volume

• Replies: 2
• Views: 1,088
Oct 9th 2012, 10:37 AM
20. ### Geometry Proof : Product of area ofdiagonally opposite triangles in a quadrilateral

• Replies: 1
• Views: 2,145
Oct 9th 2012, 06:55 AM
21. ### Transforming a series of 3D points

• Replies: 1
• Views: 359
Oct 9th 2012, 12:39 AM
22. ### hexagonal packing

• Replies: 0
• Views: 518
Oct 8th 2012, 04:56 AM

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### cosx= .4583?

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