# Geometry Forum

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

1. ### Name that solid...

• Replies: 2
• Views: 360
Feb 5th 2013, 02:51 PM
2. ### Generalized Roulette of Two Parabolas (Cissoid)

• Replies: 0
• Views: 384
Feb 3rd 2013, 03:28 PM
3. ### Circumscribe a square about a semicircle!

• Replies: 3
• Views: 792
Feb 3rd 2013, 09:34 AM
4. ### Given a square, circumscribe a semicircle around the square!

• Replies: 1
• Views: 575
Feb 2nd 2013, 05:48 PM
5. ### Intersection of a known line and two lines with an unknown variable in each.

• Replies: 6
• Views: 581
Feb 2nd 2013, 02:12 PM
6. ### Plotting specific shapes for graphs.

• Replies: 2
• Views: 625
Feb 2nd 2013, 01:17 PM
7. ### How to Solve... A = 1/2(9√3)(108) ...?

• Replies: 7
• Views: 498
Feb 1st 2013, 07:06 PM
8. ### Prove that NOMH and AOMN are parallelograms

• Replies: 1
• Views: 455
Feb 1st 2013, 02:14 AM
9. ### Help with arcs and areas please?????

• Replies: 5
• Views: 852
Jan 31st 2013, 07:22 PM
10. ### Difference similarity shape, length, width, height, regardless of scale, most similar

• Replies: 4
• Views: 696
Jan 30th 2013, 11:23 PM
11. ### Help with ratio of volume of similar solids.

• Replies: 6
• Views: 1,371
Jan 30th 2013, 05:00 AM
12. ### Help with a few circles......

• Replies: 4
• Views: 472
Jan 28th 2013, 11:03 PM
13. ### Find equations for the sides of the tetrahedron!

• Replies: 1
• Views: 667
Jan 27th 2013, 08:06 AM
14. ### number of colorings of a square knot???

• Replies: 2
• Views: 588
Jan 25th 2013, 11:52 AM
15. ### Prove that triangle ABC is isosceles

• Replies: 9
• Views: 1,366
Jan 25th 2013, 11:48 AM
16. ### Right triangle with two solutions

• Replies: 7
• Views: 629
Jan 23rd 2013, 08:48 PM
17. ### Conic Section equations

• Replies: 1
• Views: 421
Jan 23rd 2013, 06:58 PM

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### cosx= .4583?

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