# Geometry Forum

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

1. ### Tangent-chord theorem

• Replies: 2
• Views: 1,249
Apr 10th 2010, 07:51 AM
2. ### similarity of two polygons

• Replies: 1
• Views: 453
Apr 10th 2010, 04:59 AM
3. ### Radius-point of tangency proof

• Replies: 8
• Views: 1,407
Apr 10th 2010, 12:45 AM
4. ### Find equation of ellpise

• Replies: 3
• Views: 538
Apr 8th 2010, 05:55 PM
5. ### Area of the pentagon

• Replies: 1
• Views: 733
Apr 8th 2010, 05:37 PM
6. ### Hyperbolic triangles and inscribed circles

• Replies: 0
• Views: 1,061
Apr 8th 2010, 12:36 PM
7. ### Hyperbolic geometry

• Replies: 1
• Views: 367
Apr 8th 2010, 12:34 PM
8. ### Square

• Replies: 1
• Views: 402
Apr 8th 2010, 12:08 PM
9. ### Distance Formula

• Replies: 2
• Views: 2,062
Apr 8th 2010, 11:37 AM
10. ### Finding the area of this shape - almost like a triangle, but the hypotenuse is round

• Replies: 1
• Views: 807
Apr 8th 2010, 11:06 AM

• Replies: 2
• Views: 522
Apr 8th 2010, 10:24 AM
12. ### Area of Segments

• Replies: 2
• Views: 3,816
Apr 8th 2010, 10:06 AM
13. ### Conic section of an ellipse question...

• Replies: 1
• Views: 659
Apr 8th 2010, 09:50 AM
14. ### cartesian coordinates / two circles

• Replies: 4
• Views: 607
Apr 8th 2010, 09:02 AM
15. ### is a parallelogram a rhombus?

• Replies: 2
• Views: 1,310
Apr 7th 2010, 10:58 PM
16. ### violation of triangular inequality

• Replies: 5
• Views: 476
Apr 7th 2010, 10:20 AM
17. ### proof for rectangular parallelepiped

• Replies: 1
• Views: 677
Apr 6th 2010, 09:21 PM
18. ### polyhedral angles

• Replies: 0
• Views: 406
Apr 6th 2010, 02:33 PM
19. ### Analytic geometry 2 questions

• Replies: 3
• Views: 683
Apr 6th 2010, 10:16 AM

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21. ### 3D

• Replies: 1
• Views: 659
Apr 4th 2010, 11:24 PM
22. ### Limiting parallels

• Replies: 1
• Views: 1,049
Apr 4th 2010, 10:17 PM
23. ### Hands on a clock - mensuration

• Replies: 1
• Views: 1,157
Apr 4th 2010, 05:33 PM
24. ### Tiled square

• Replies: 9
• Views: 791
Apr 3rd 2010, 08:06 AM

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### cosx= .4583?

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