# Geometry Forum

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

1. ### Problem I saw somewhere about finding a specific angle.

• Replies: 3
• Views: 376
Jan 30th 2015, 11:25 AM
2. ### 1 dimensional Geometry and Euclid proposition 4 and 8 in book I

• Replies: 1
• Views: 371
Jan 28th 2015, 08:23 PM
3. ### Perspective projection of a circle

• Replies: 1
• Views: 1,101
Jan 26th 2015, 07:15 PM
4. ### My own nor do I think I'm hurt him use you

• Replies: 0
• Views: 273
Jan 21st 2015, 07:54 PM
5. ### Poincaré Disc Model - what is it, exactly? What projected shapes do, and don't, count

• Replies: 3
• Views: 767
Jan 20th 2015, 10:52 AM
6. ### formula for finding eigenvector

• Replies: 5
• Views: 412
Jan 17th 2015, 03:49 AM
7. ### That's why I can’t private my mark guard wow how

• Replies: 0
• Views: 289
Jan 11th 2015, 08:00 PM
8. ### Themaximum benefit from this particular exercised

• Replies: 0
• Views: 330
Jan 9th 2015, 08:36 PM
9. ### You want to be really difficult workers

• Replies: 0
• Views: 284
Jan 9th 2015, 08:23 PM
10. ### Deriving the Angles of a Pentagon

• Replies: 1
• Views: 276
Jan 9th 2015, 03:33 AM
11. ### You remember rolling down the window

• Replies: 0
• Views: 271
Jan 8th 2015, 09:48 PM
12. ### images under composite affine transformations

• Replies: 6
• Views: 814
Jan 8th 2015, 05:36 PM
13. ### 5 Steps to Increase Mass With Natural Body Building

• Replies: 0
• Views: 259
Jan 8th 2015, 12:15 AM
14. ### [SOLVED] Watch live enjoy awards 2015 hd quality

• Replies: 0
• Views: 349
Jan 7th 2015, 06:21 AM
15. ### Consecutive Rotation and Flip Problem

• Replies: 3
• Views: 568
Dec 30th 2014, 06:34 PM
16. ### Elliptical illusion...

• Replies: 2
• Views: 751
Dec 28th 2014, 09:34 PM
17. ### Opposite of Parallel Lines

• Replies: 2
• Views: 450
Dec 21st 2014, 09:31 AM
18. ### Why do induction proofs work?

• Replies: 11
• Views: 505
Dec 18th 2014, 03:41 PM
19. ### Intersection of two vectors

• Replies: 2
• Views: 484
Dec 18th 2014, 04:57 AM
20. ### circle intersects rectangle

• Replies: 12
• Views: 781
Dec 17th 2014, 02:28 PM
21. ### Find the equation of parabola with vertex (2, 1) and focus (1, -1)

• Replies: 4
• Views: 555
Dec 17th 2014, 10:09 AM
22. ### Proving the scalar triple product is zero if the vectors are coplanar

• Replies: 2
• Views: 1,555
Dec 17th 2014, 04:08 AM

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### cosx= .4583?

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