# Geometry Forum

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

1. ### Rectangular Container

• Replies: 1
• Views: 432
Mar 13th 2010, 11:02 AM
2. ### Triangles [Problem with Part C]

• Replies: 1
• Views: 566
Mar 13th 2010, 07:30 AM
3. ### Triangle Elevation [Stucked @ Part D]

• Replies: 4
• Views: 547
Mar 13th 2010, 06:45 AM
4. ### Pyramids

• Replies: 1
• Views: 698
Mar 12th 2010, 09:48 PM
5. ### Reflections

• Replies: 7
• Views: 796
Mar 12th 2010, 08:56 PM
6. ### Transformation-rotation

• Replies: 3
• Views: 1,162
Mar 12th 2010, 08:33 PM
7. ### Cone

• Replies: 1
• Views: 1,030
Mar 12th 2010, 02:04 PM
8. ### Reflection in y=xtan{theta}

• Replies: 1
• Views: 2,813
Mar 11th 2010, 06:45 PM
9. ### sector area

• Replies: 3
• Views: 597
Mar 11th 2010, 04:16 PM
10. ### Proof regarding inversions

• Replies: 0
• Views: 438
Mar 11th 2010, 02:12 PM
11. ### Semicircle and isosceles problem

• Replies: 2
• Views: 3,459
Mar 11th 2010, 01:49 PM
12. ### Geometry homework help. PLEASE

• Replies: 2
• Views: 501
Mar 11th 2010, 07:36 AM
13. ### Circle Theory

• Replies: 4
• Views: 819
Mar 11th 2010, 06:18 AM
14. ### euler characteristic formula

• Replies: 1
• Views: 555
Mar 10th 2010, 11:46 PM
15. ### Diameter and Area!

• Replies: 1
• Views: 632
Mar 10th 2010, 06:03 PM
16. ### triangle orthocenter and circumcircle

• Replies: 2
• Views: 819
Mar 10th 2010, 09:53 AM
17. ### [SOLVED] Modeling Volume of an Open Box

• Replies: 2
• Views: 698
Mar 9th 2010, 07:57 PM
18. ### Ratio of inscribed and circumscribed triangles

• Replies: 1
• Views: 5,581
Mar 9th 2010, 07:20 PM
19. ### Need help to calculate for height for a cylinder.

• Replies: 2
• Views: 526
Mar 9th 2010, 07:00 PM

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21. ### Helicoid with Geodesic Equations

• Replies: 0
• Views: 1,111
Mar 9th 2010, 05:19 AM
22. ### Proof related to inversions

• Replies: 0
• Views: 431
Mar 9th 2010, 05:19 AM
23. ### Help needed on "Triangle Questions"

• Replies: 4
• Views: 408
Mar 9th 2010, 04:52 AM

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### cosx= .4583?

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