# Geometry Forum

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

1. ### Prove that NOMH and AOMN are parallelograms

• Replies: 1
• Views: 468
Feb 1st 2013, 02:14 AM
2. ### Help with arcs and areas please?????

• Replies: 5
• Views: 866
Jan 31st 2013, 07:22 PM
3. ### Difference similarity shape, length, width, height, regardless of scale, most similar

• Replies: 4
• Views: 706
Jan 30th 2013, 11:23 PM
4. ### Help with ratio of volume of similar solids.

• Replies: 6
• Views: 1,386
Jan 30th 2013, 05:00 AM
5. ### Help with a few circles......

• Replies: 4
• Views: 480
Jan 28th 2013, 11:03 PM
6. ### Find equations for the sides of the tetrahedron!

• Replies: 1
• Views: 677
Jan 27th 2013, 08:06 AM
7. ### number of colorings of a square knot???

• Replies: 2
• Views: 602
Jan 25th 2013, 11:52 AM
8. ### Prove that triangle ABC is isosceles

• Replies: 9
• Views: 1,437
Jan 25th 2013, 11:48 AM
9. ### Right triangle with two solutions

• Replies: 7
• Views: 686
Jan 23rd 2013, 08:48 PM
10. ### Conic Section equations

• Replies: 1
• Views: 435
Jan 23rd 2013, 06:58 PM
11. ### Matrix Proof

• Replies: 2
• Views: 636
Jan 23rd 2013, 10:54 AM
12. ### USING YOUR COMPASS ONLY, construct a point on a number line that equals 1/x

• Replies: 1
• Views: 537
Jan 23rd 2013, 04:59 AM
13. ### Please i need help finding the cross sectional area trapezium!...

• Replies: 2
• Views: 4,411
Jan 21st 2013, 04:31 PM
14. ### analytoc geometry problem! help

• Replies: 2
• Views: 657
Jan 20th 2013, 11:21 PM
15. ### Numbers in squares

• Replies: 0
• Views: 557
Jan 19th 2013, 06:14 AM
16. ### plane, point, line (vectors)

• Replies: 1
• Views: 709
Jan 18th 2013, 07:18 PM
17. ### Orthogonal Polygonization

• Replies: 5
• Views: 464
Jan 16th 2013, 08:06 PM

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### cosx= .4583?

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