# Geometry Forum

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

1. ### Difficult to evaluate area of a spherical triangle than that of a plane tritangle

• Replies: 1
• Views: 415
Mar 2nd 2015, 09:01 PM
2. ### Difficult to evaluate area of a spherical rectangle than that of a plane rectangle

• Replies: 1
• Views: 542
Mar 2nd 2015, 09:00 PM
3. ### How to deal with this problem of regular spherical polygon with max. no. of sides

• Replies: 3
• Views: 330
Mar 2nd 2015, 01:04 PM
4. ### How to evaluate solid angle subtended by a finite plane bounded by straight lines

• Replies: 0
• Views: 318
Mar 2nd 2015, 07:52 AM
5. ### Curve Calculation

• Replies: 1
• Views: 323
Feb 28th 2015, 10:05 AM
6. ### People in rooms

• Replies: 13
• Views: 655
Feb 27th 2015, 09:27 AM
7. ### substantial-chance

• Replies: 0
• Views: 315
Feb 27th 2015, 02:20 AM
8. ### Calculating the Surface Area for a Fictional Map

• Replies: 3
• Views: 524
Feb 14th 2015, 10:09 AM
9. ### Scale position of points in a circle so it looks like a regular scaling?

• Replies: 6
• Views: 469
Feb 13th 2015, 03:32 PM
10. ### What's an algebraic curve's polar line for?

• Replies: 0
• Views: 412
Feb 8th 2015, 04:47 AM
11. ### Help with 2 9th grade geometry questions

• Replies: 2
• Views: 924
Feb 1st 2015, 03:52 PM
12. ### Problem I saw somewhere about finding a specific angle.

• Replies: 3
• Views: 426
Jan 30th 2015, 11:25 AM
13. ### 1 dimensional Geometry and Euclid proposition 4 and 8 in book I

• Replies: 1
• Views: 416
Jan 28th 2015, 08:23 PM
14. ### Perspective projection of a circle

• Replies: 1
• Views: 1,278
Jan 26th 2015, 07:15 PM
15. ### My own nor do I think I'm hurt him use you

• Replies: 0
• Views: 310
Jan 21st 2015, 07:54 PM
16. ### Poincaré Disc Model - what is it, exactly? What projected shapes do, and don't, count

• Replies: 3
• Views: 861
Jan 20th 2015, 10:52 AM
17. ### formula for finding eigenvector

• Replies: 5
• Views: 435
Jan 17th 2015, 03:49 AM
18. ### That's why I can’t private my mark guard wow how

• Replies: 0
• Views: 316
Jan 11th 2015, 08:00 PM
19. ### Themaximum benefit from this particular exercised

• Replies: 0
• Views: 349
Jan 9th 2015, 08:36 PM
20. ### You want to be really difficult workers

• Replies: 0
• Views: 309
Jan 9th 2015, 08:23 PM

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### cosx= .4583?

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