# Geometry Forum

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

1. ### Help with proof involving Cevians.

• Replies: 1
• Views: 358
Feb 7th 2011, 11:33 AM
2. ### Help with simple internal line segments of triangles proof.

• Replies: 1
• Views: 577
Feb 7th 2011, 11:23 AM
3. ### Cubes - sidelengths and ratios.

• Replies: 3
• Views: 747
Feb 7th 2011, 10:37 AM
4. ### Understanding triangle similarity statements.

• Replies: 2
• Views: 1,238
Feb 6th 2011, 03:58 PM
5. ### Size of an angle

• Replies: 1
• Views: 890
Feb 5th 2011, 11:22 AM
6. ### Finding the diameter of the circle

• Replies: 8
• Views: 1,822
Feb 5th 2011, 11:01 AM
7. ### Geometry:Similar Triangles

• Replies: 8
• Views: 743
Feb 3rd 2011, 12:54 PM
8. ### The uniqueness of Euclid's propositions 10-12, book I

• Replies: 1
• Views: 823
Jan 31st 2011, 04:41 PM
9. ### Triangle

• Replies: 5
• Views: 473
Jan 31st 2011, 04:32 PM
10. ### Finding a vertex of a tetrahedron given the volume (in Euclidian space).

• Replies: 1
• Views: 779
Jan 30th 2011, 07:18 AM
11. ### eight way symmetry of circle

• Replies: 4
• Views: 6,349
Jan 29th 2011, 06:49 PM
12. ### Pythagorean Theorem and Converse

• Replies: 3
• Views: 547
Jan 29th 2011, 06:48 PM
13. ### heights and inradius of triangle

• Replies: 1
• Views: 505
Jan 29th 2011, 05:06 AM

• Replies: 4
• Views: 1,550
Jan 28th 2011, 07:40 PM
15. ### triangle - a proof needed

• Replies: 1
• Views: 492
Jan 28th 2011, 09:52 AM
16. ### Planar intersections

• Replies: 36
• Views: 1,889
Jan 28th 2011, 07:59 AM
17. ### Area Of Trapezium

• Replies: 3
• Views: 561
Jan 27th 2011, 04:08 PM
18. ### Help finding the length of a line?

• Replies: 4
• Views: 704
Jan 26th 2011, 09:34 PM
19. ### Motion/Position Vector - Calculate a position at a future time

• Replies: 4
• Views: 1,090
Jan 26th 2011, 02:11 PM
20. ### Triangle ABC...

• Replies: 6
• Views: 621
Jan 26th 2011, 01:36 PM

,

,

,

,

,

,

,

,

,

,

### cosx= .4583?

Click on a term to search for related topics.

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Note: when sorting by date, 'descending order' will show the newest results first.

## » Pre University Math Help

 Math Discussion

## » University Math Help

 Math Discussion

## » Math Forums

 Math Discussion