# Geometry Forum

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

1. ### similarity and coordinates-help needed

• Replies: 4
• Views: 270
Mar 20th 2015, 12:38 PM
2. ### Find a side of a triangle without trigonometry

• Replies: 1
• Views: 289
Mar 3rd 2015, 07:13 AM
3. ### Difficult to evaluate area of a spherical triangle than that of a plane tritangle

• Replies: 1
• Views: 363
Mar 2nd 2015, 09:01 PM
4. ### Difficult to evaluate area of a spherical rectangle than that of a plane rectangle

• Replies: 1
• Views: 422
Mar 2nd 2015, 09:00 PM
5. ### How to deal with this problem of regular spherical polygon with max. no. of sides

• Replies: 3
• Views: 293
Mar 2nd 2015, 01:04 PM
6. ### How to evaluate solid angle subtended by a finite plane bounded by straight lines

• Replies: 0
• Views: 276
Mar 2nd 2015, 07:52 AM
7. ### Curve Calculation

• Replies: 1
• Views: 286
Feb 28th 2015, 10:05 AM
8. ### People in rooms

• Replies: 13
• Views: 559
Feb 27th 2015, 09:27 AM
9. ### substantial-chance

• Replies: 0
• Views: 277
Feb 27th 2015, 02:20 AM
10. ### Calculating the Surface Area for a Fictional Map

• Replies: 3
• Views: 431
Feb 14th 2015, 10:09 AM
11. ### Scale position of points in a circle so it looks like a regular scaling?

• Replies: 6
• Views: 411
Feb 13th 2015, 03:32 PM
12. ### What's an algebraic curve's polar line for?

• Replies: 0
• Views: 377
Feb 8th 2015, 04:47 AM

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### cosx= .4583?

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