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Threads 31 to 60 of 319

Forum: Geometry

Points, Lines and Angles; Plane Shapes and Solids; Constructions; Congruences and Similarities; Analytic or Coordinate Geometry; Basic Vector Geometry

  1. Normal Thread Normal Threads

  2. Find the equation of the conicoid

    Started by debrajr, March 22nd, 2017 07:50
    axes, conicoid, equation, find, ratios
    • Replies: 1
    • Views: 297
    greg1313
    March 22nd, 2017, 11:52 Go to last post

  3. Length of Trains

    Started by Ilikebugs, March 18th, 2017 16:42
    determine, km/h, length, train, trains
    • Replies: 3
    • Views: 249
    greg1313
    March 19th, 2017, 22:16 Go to last post

  4. Distance between points question

    Started by Yankel, March 17th, 2017 09:29
    correct, distance, give, points, [y^2-6y+10=y^2-12y+40+10]
    • Replies: 5
    • Views: 256
    Yankel
    March 18th, 2017, 07:49 Go to last post

  5. circle proof

    Started by markosheehan, March 17th, 2017 11:06
    6471, angles, arc, circle, proof 1 Attachment(s)
    • Replies: 4
    • Views: 222
    markosheehan
    March 18th, 2017, 06:59 Go to last post

  6. 2D Packing Problem

    Started by TPceebee, March 8th, 2017 12:45
    16.5cm, complete, decimals, dimensions, squares
    • Replies: 1
    • Views: 199
    MarkFL
    March 8th, 2017, 13:25 Go to last post

  7. Formula for Ellipse 'Change of Distance by Change of Theta'?

    Started by SquishyWeRRa, March 6th, 2017 23:18
    change, distance, ellipse, planet, sun
    • Replies: 1
    • Views: 258
    I like Serena
    March 7th, 2017, 16:28 Go to last post

  8. a question about powers

    Started by Angel1, March 3rd, 2017 11:13
    day, powers, question, realised, understand
    • Replies: 3
    • Views: 261
    MarkFL
    March 3rd, 2017, 15:43 Go to last post

  9. not a "help need" but a question about "a self made square root formula"

    Started by Angel1, March 3rd, 2017 10:32
    find, found, root, square, thinking
    • Replies: 2
    • Views: 244
    HallsofIvy
    March 3rd, 2017, 12:34 Go to last post

  10. From Altitudes to Angles to Sides

    Started by Ilikebugs, February 18th, 2017 17:48
    altitudes, angles, sides, start6411 1 Attachment(s)
    • Replies: 2
    • Views: 276
    Ilikebugs
    February 19th, 2017, 22:02 Go to last post

  11. Rhombus question

    Started by Ilikebugs, February 16th, 2017 21:49
    determine, measure, parallelogram, rhombus, sides
    • Replies: 3
    • Views: 224
    greg1313
    February 19th, 2017, 00:03 Go to last post

  12. Using the Modulus to find a variable - to find co-ordinates

    Started by Lytk, February 15th, 2017 15:13
    find, left|, line, point, right|
    • Replies: 2
    • Views: 267
    Lytk
    February 18th, 2017, 04:37 Go to last post

  13. area of triangle

    Started by alextrainer, January 27th, 2017 09:24
    area, data, side, sides, triangle; 1 Attachment(s)
    • Replies: 5
    • Views: 480
    HallsofIvy
    February 7th, 2017, 19:12 Go to last post

  14. Parallelogram on graph problem

    Started by Ilikebugs, January 28th, 2017 23:33
    6377, graph, guess, parallelogram, problem 1 Attachment(s)
    • Replies: 2
    • Views: 1,468
    greg1313
    January 29th, 2017, 17:18 Go to last post

  15. Right triangle proportions

    Started by alextrainer, January 26th, 2017 18:40
    area, areas, calculate, line, segments 1 Attachment(s)
    • Replies: 4
    • Views: 449
    MarkFL
    January 27th, 2017, 13:29 Go to last post

  16. Triangle lengths of sides

    Started by alextrainer, January 25th, 2017 15:05
    calculate, height, length, property, triangle 1 Attachment(s)
    • Replies: 3
    • Views: 429
    MarkFL
    January 25th, 2017, 16:35 Go to last post

  17. Can anyone tell me the real names of these 3D shapes?

    Started by goldieluxe, November 20th, 2016 06:40
    2 Pages •
    1 2
    6204, basic, blanking, names, question 2 Attachment(s)
    • Replies: 10
    • Views: 994
    Prakhar
    January 24th, 2017, 18:39 Go to last post

  18. Length of an angle bisector

    Started by divisor, January 24th, 2017 13:56
    8=0, angle, bisector, cdot, length
    • Replies: 2
    • Views: 571
    divisor
    January 24th, 2017, 15:24 Go to last post

  19. How do I construct this Triangle?

    Started by schunck, January 11th, 2017 06:50
    6315, construct, figure, find, triangle 1 Attachment(s)
    • Replies: 2
    • Views: 323
    schunck
    January 12th, 2017, 07:04 Go to last post

  20. Prove equal area of a triangle and a parallelogram & the angle is equal a 90 degree

    Started by mathlearn, December 22nd, 2016 22:15
    $angle, 6296, angles, midpoints, oil 1 Attachment(s)
    • Replies: 9
    • Views: 732
    mathlearn
    December 30th, 2016, 22:19 Go to last post

  21. Geometry in the Art of Dorothea Rockburne

    Started by Gord, December 21st, 2016 06:18
    art, dorothea, rockburne, social, work 1 Attachment(s)
    • Replies: 1
    • Views: 231
    greg1313
    December 21st, 2016, 08:06 Go to last post

  22. Show that angle's are equal

    Started by mathlearn, September 25th, 2016 00:16
    6018, angle, congruent, hkghk, triangles 3 Attachment(s)
    • Replies: 4
    • Views: 552
    Euge
    December 13th, 2016, 02:52 Go to last post

  23. [SOLVED] s6.12.13 Find an equation of the sphere

    Started by karush, December 12th, 2016 02:17
    =rendalign$textitso, ??$, center, equation, sphere
    • Replies: 2
    • Views: 337
    karush
    December 12th, 2016, 13:35 Go to last post

  24. Prove that PQR is isosceles?

    Started by woof123, December 7th, 2016 00:11
    6270, figure, isosceles, pqr, prove 1 Attachment(s)
    • Replies: 4
    • Views: 383
    mathlearn
    December 10th, 2016, 08:29 Go to last post

  25. Sector Problem

    Started by Ilikebugs, December 2nd, 2016 13:46
    2 Pages •
    1 2
    6249, check, figure, guess, problem 1 Attachment(s)
    • Replies: 17
    • Views: 1,065
    greg1313
    December 4th, 2016, 23:21 Go to last post

  26. Area of a Triangle from 3 sides

    Started by Carla1985, December 4th, 2016 11:24
    6257, area, question, sides, triangle 1 Attachment(s)
    • Replies: 2
    • Views: 593
    Carla1985
    December 4th, 2016, 13:27 Go to last post

  27. Circle Theorems

    Started by Carla1985, December 4th, 2016 11:18
    $gamma$, find, rest, theorem, worked 1 Attachment(s)
    • Replies: 4
    • Views: 382
    Carla1985
    December 4th, 2016, 12:12 Go to last post

  28. Nine Point Center Theorem

    Started by pholee95, December 3rd, 2016 13:30
    center, ended, problem, solve, telling 2 Attachment(s)
    • Replies: 0
    • Views: 250
    pholee95
    December 3rd, 2016, 13:30 Go to last post

  29. Circle problem

    Started by Ilikebugs, December 2nd, 2016 12:08
    6248, check, circle, guess, problem 1 Attachment(s)
    • Replies: 4
    • Views: 406
    MarkFL
    December 2nd, 2016, 14:05 Go to last post

  30. Spiral

    Started by wheepep, November 29th, 2016 21:29
    destination, function, points, set, won’t 1 Attachment(s)
    • Replies: 3
    • Views: 528
    I like Serena
    December 1st, 2016, 14:00 Go to last post

  31. Miquel's Theorem

    Started by pholee95, November 21st, 2016 13:04
    circumcircles, interiors, miquels, sides, theorem 1 Attachment(s)
    • Replies: 1
    • Views: 310
    Opalg
    November 21st, 2016, 16:58 Go to last post

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