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Forum: Geometry

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

  1. Geometry problem prove lines are parallel, cyclic quadrilaterals,other parallel lines

    RubiksMan
    cyclic, geometry, lines, parallel, problem, prove, quadrilaterals 1 Attachment(s)
    • Replies: 1
    • Views: 1,073
    Opalg
    March 14th 2010, 01:22 PM Go to last post

  2. Determine if a point lies within area of a triangle

    angel.white
    area, determine, lies, point, triangle 2 Attachment(s)
    • Replies: 9
    • Views: 8,313
    sathishdip
    March 14th 2010, 08:46 AM Go to last post

  3. Cone & Pyramid

    reiward
    cone, pyramid 1 Attachment(s)
    • Replies: 1
    • Views: 301
    earboth
    March 13th 2010, 11:05 PM Go to last post

  4. Rectangular Container

    reiward
    container, rectangular
    • Replies: 1
    • Views: 129
    Soroban
    March 13th 2010, 11:02 AM Go to last post

  5. Triangles [Problem with Part C]

    Punch
    problem, triangles
    • Replies: 1
    • Views: 148
    u2_wa
    March 13th 2010, 07:30 AM Go to last post

  6. Triangle Elevation [Stucked @ Part D]

    Punch
    elevation, stucked, triangle
    • Replies: 4
    • Views: 186
    HallsofIvy
    March 13th 2010, 06:45 AM Go to last post

  7. Pyramids

    reiward
    pyramids
    • Replies: 1
    • Views: 168
    sa-ri-ga-ma
    March 12th 2010, 09:48 PM Go to last post

  8. Reflections

    mark090480
    reflections
    • Replies: 7
    • Views: 257
    mathhomework
    March 12th 2010, 08:56 PM Go to last post

  9. Question Transformation-rotation

    mathhomework
    transformationrotation
    • Replies: 3
    • Views: 318
    mathhomework
    March 12th 2010, 08:33 PM Go to last post

  10. Cone

    reiward
    cone
    • Replies: 1
    • Views: 237
    Soroban
    March 12th 2010, 02:04 PM Go to last post

  11. Reflection in y=xtan{theta}

    arze
    reflection, yxtantheta
    • Replies: 1
    • Views: 238
    sa-ri-ga-ma
    March 11th 2010, 06:45 PM Go to last post

  12. sector area

    Wilmer
    area, sector
    • Replies: 3
    • Views: 165
    Wilmer
    March 11th 2010, 04:16 PM Go to last post

  13. Proof regarding inversions

    Pinkk
    inversions, proof
    • Replies: 0
    • Views: 122
    Pinkk
    March 11th 2010, 02:12 PM Go to last post

  14. Semicircle and isosceles problem

    josephk
    isosceles, problem, semicircle
    • Replies: 2
    • Views: 568
    Archie Meade
    March 11th 2010, 01:49 PM Go to last post

  15. Unhappy Geometry homework help. PLEASE

    darknightcat
    geometry, geometry density, homework
    • Replies: 2
    • Views: 171
    Grandad
    March 11th 2010, 07:36 AM Go to last post

  16. Circle Theory

    Punch
    circle, theory
    • Replies: 4
    • Views: 187
    Punch
    March 11th 2010, 06:18 AM Go to last post

  17. How to find the area of an isosceles triangle and hexagon?

    pocketasian
    area, hexagon, isosceles, triangle 1 Attachment(s)
    • Replies: 2
    • Views: 717
    earboth
    March 11th 2010, 12:06 AM Go to last post

  18. euler characteristic formula

    kkjs358
    characteristic, euler, formula
    • Replies: 1
    • Views: 191
    earboth
    March 10th 2010, 11:46 PM Go to last post

  19. Quadrilateral identity

    atreyyu
    identity, quadrilateral 1 Attachment(s)
    • Replies: 1
    • Views: 170
    earboth
    March 10th 2010, 11:28 PM Go to last post

  20. Diameter and Area!

    littlesohi
    area, diameter
    • Replies: 1
    • Views: 233
    Soroban
    March 10th 2010, 06:03 PM Go to last post

  21. Equilateral triangle

    atreyyu
    equilateral, triangle 1 Attachment(s)
    • Replies: 2
    • Views: 1,081
    atreyyu
    March 10th 2010, 11:23 AM Go to last post

  22. Help with Feuerbach's circle proof using dilations

    ordinalhigh
    circle, dilations, feuerbach, proof 1 Attachment(s)
    • Replies: 3
    • Views: 284
    hollywood
    March 10th 2010, 10:14 AM Go to last post

  23. triangle orthocenter and circumcircle

    hollywood
    circumcircle, orthocenter, triangle
    • Replies: 2
    • Views: 298
    hollywood
    March 10th 2010, 09:53 AM Go to last post

  24. Sphere inscribed in a regular tetrahedron

    spred
    inscribed, regular, sphere, tetrahedron 1 Attachment(s)
    • Replies: 1
    • Views: 1,019
    Grandad
    March 10th 2010, 05:22 AM Go to last post

  25. Quadrilateral Problem

    spred
    problem, quadrilateral 1 Attachment(s)
    • Replies: 1
    • Views: 178
    earboth
    March 9th 2010, 11:31 PM Go to last post

  26. [SOLVED] Modeling Volume of an Open Box

    kelvinly
    box, modeling, open, solved, volume
    • Replies: 2
    • Views: 250
    Prove It
    March 9th 2010, 07:57 PM Go to last post

  27. Ratio of inscribed and circumscribed triangles

    spred
    circumscribed, inscribed, ratio, triangles
    • Replies: 1
    • Views: 837
    Soroban
    March 9th 2010, 07:20 PM Go to last post

  28. Need help to calculate for height for a cylinder.

    bradycat
    calculate, cylinder, height
    • Replies: 2
    • Views: 156
    bradycat
    March 9th 2010, 07:00 PM Go to last post

  29. Moved: Number of Squares and Rectangles in a Grid

    NOX Andrew
    grid, number, rectangles, squares
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  30. Helicoid with Geodesic Equations

    macagers
    equations, geodesic, helicoid
    • Replies: 0
    • Views: 282
    macagers
    March 9th 2010, 05:19 AM Go to last post

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