# Geometry Forum

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

1. ### Area of intersection of two circles

• Replies: 1
• Views: 1,357
Dec 13th 2011, 07:36 PM
2. ### Similar triangles

• Replies: 7
• Views: 631
Dec 11th 2011, 08:47 PM
3. ### [SOLVED] Surface area for cylinder does not work unless in CM?

• Replies: 2
• Views: 717
Dec 11th 2011, 07:35 PM
4. ### The Straight Line Question

• Replies: 12
• Views: 1,025
Dec 11th 2011, 05:11 AM
5. ### parallelogram - proof

• Replies: 7
• Views: 797
Dec 10th 2011, 06:57 PM
6. ### Measure of marked Angle

• Replies: 2
• Views: 639
Dec 6th 2011, 05:07 PM
7. ### Travelled vs Displacement

• Replies: 3
• Views: 575
Dec 6th 2011, 10:33 AM
8. ### Rotating point about the line y=-x

• Replies: 2
• Views: 1,233
Dec 4th 2011, 08:41 AM
9. ### [SOLVED] Solid Geometry

• Replies: 2
• Views: 4,834
Dec 3rd 2011, 10:49 AM
10. ### Need some help understanding what this question is asking.

• Replies: 2
• Views: 724
Dec 1st 2011, 05:11 PM
11. ### The Superman Problem

• Replies: 6
• Views: 1,312
Dec 1st 2011, 12:38 PM
12. ### Rotation in 3d

• Replies: 1
• Views: 782
Nov 30th 2011, 03:36 PM
13. ### constructing a line

• Replies: 3
• Views: 624
Nov 28th 2011, 03:41 PM
14. ### Solving for volume of rectangular prism

• Replies: 3
• Views: 1,344
Nov 28th 2011, 10:33 AM
15. ### Co-ordinate Reflection/Rotation Problem

• Replies: 2
• Views: 693
Nov 28th 2011, 01:27 AM
16. ### Solve this line with the simplest method

• Replies: 6
• Views: 623
Nov 27th 2011, 09:42 AM
17. ### Basic Pi related question - comparing circles

• Replies: 4
• Views: 955
Nov 27th 2011, 07:34 AM
18. ### Finding area of star in circle.

• Replies: 3
• Views: 2,095
Nov 27th 2011, 05:44 AM
19. ### Area of overlap of two circles.

• Replies: 2
• Views: 2,582
Nov 27th 2011, 04:20 AM
20. ### Problem finding area

• Replies: 4
• Views: 638
Nov 27th 2011, 02:23 AM
21. ### Volume between two shapes (one inscribed in the other)

• Replies: 1
• Views: 1,040
Nov 26th 2011, 06:31 PM
22. ### Circumcenter of triangles.

• Replies: 1
• Views: 1,265
Nov 26th 2011, 04:47 PM
23. ### English major - need help with basic Geometry question

• Replies: 2
• Views: 920
Nov 25th 2011, 08:37 PM

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### cosx= .4583?

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