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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 unknown angles of a triangle!!!

    Started by tantrik, October 14th, 2016 09:16
    • Replies: 6
    • Views: 348
    October 23rd, 2016, 23:31 Go to last post
  3. Parallelogram proof

    Started by mathlearn, October 19th, 2016 00:02
    • Replies: 5
    • Views: 272
    October 23rd, 2016, 09:01 Go to last post
  4. Proving equivalence to Euclid Parallel Postulate

    Started by pholee95, October 18th, 2016 10:21
    euclid, line, parallel, postulate, proving
    • Replies: 1
    • Views: 171
    October 18th, 2016, 15:26 Go to last post
    • Replies: 4
    • Views: 278
    October 18th, 2016, 13:22 Go to last post
  5. Proving AAS

    Started by pholee95, October 10th, 2016 19:28
    abc, angle, congruent, def, triangles
    • Replies: 1
    • Views: 140
    October 10th, 2016, 20:20 Go to last post
  6. Protractor Postulate

    Started by pholee95, October 8th, 2016 12:36
    part, point, postulate, protractor, satisfy
    • Replies: 4
    • Views: 263
    October 8th, 2016, 15:12 Go to last post
  7. Prove that triangle BAD is isosceles and....

    Started by mathlearn, October 3rd, 2016 21:20
    • Replies: 4
    • Views: 224
    October 5th, 2016, 23:10 Go to last post
  8. [SOLVED] How to find the Location of the point P

    Started by mathlearn, September 10th, 2016 11:47
    • Replies: 6
    • Views: 288
    October 4th, 2016, 00:49 Go to last post
  9. [SOLVED] State the angles in terms of x , Circle theorems

    Started by mathlearn, October 3rd, 2016 21:29
    • Replies: 6
    • Views: 258
    October 3rd, 2016, 23:26 Go to last post
  10. [SOLVED] Identifying Inscribed Angles

    Started by Coder74, October 1st, 2016 21:38
    • Replies: 1
    • Views: 134
    October 1st, 2016, 23:15 Go to last post
    • Replies: 6
    • Views: 253
    September 29th, 2016, 10:36 Go to last post
  11. Find the angle, cyclic quadrilaterals

    Started by mathlearn, September 26th, 2016 22:26
    • Replies: 8
    • Views: 353
    September 27th, 2016, 20:39 Go to last post
  12. Square metric not satisfying the SAS postulate

    Started by pholee95, September 25th, 2016 16:14
    metric, postulate, r^2, sas, square
    • Replies: 3
    • Views: 370
    September 26th, 2016, 17:52 Go to last post
  13. Prove that center of DG = center of the red circle.

    Started by maxkor, September 25th, 2016 15:00
    • Replies: 1
    • Views: 120
    September 25th, 2016, 16:34 Go to last post
  14. Cyclic quadrilaterals

    Started by mathlearn, August 31st, 2016 23:31
    3 Pages
    1 2 3
    • Replies: 24
    • Views: 997
    September 24th, 2016, 01:06 Go to last post
  15. Ratio of the area of triangles

    Started by mathlearn, September 22nd, 2016 06:30
    • Replies: 4
    • Views: 207
    September 22nd, 2016, 10:58 Go to last post
  16. Using the given information , find the value of x

    Started by mathlearn, September 22nd, 2016 06:50
    • Replies: 2
    • Views: 217
    September 22nd, 2016, 10:36 Go to last post
  17. [SOLVED] Finding the Area of a shaded region (two shapes)

    Started by Coder74, September 20th, 2016 20:12
    • Replies: 5
    • Views: 278
    September 20th, 2016, 22:31 Go to last post
  18. [SOLVED] Show that AN=1 cm using the knowledge of equiangular triangles.

    Started by mathlearn, September 11th, 2016 05:19
    • Replies: 9
    • Views: 450
    September 12th, 2016, 04:21 Go to last post
  19. geometry: proving two angles are equal

    Started by markosheehan, September 8th, 2016 15:54
    • Replies: 1
    • Views: 184
    September 8th, 2016, 16:21 Go to last post
    • Replies: 1
    • Views: 212
    September 5th, 2016, 09:07 Go to last post
  20. Complementary & Supplementary Angles

    Started by bernardl, August 28th, 2016 22:18
    angles, complementary, supplementary
    • Replies: 4
    • Views: 306
    August 29th, 2016, 14:31 Go to last post
  21. Angles forming a linear pair

    Started by bernardl, August 28th, 2016 19:15
    pair, linear, forming, angles
    • Replies: 2
    • Views: 295
    August 29th, 2016, 13:16 Go to last post
    • Replies: 8
    • Views: 380
    August 29th, 2016, 09:00 Go to last post
  22. Vertical angles

    Started by bernardl, August 28th, 2016 19:17
    angles, vertical
    • Replies: 1
    • Views: 272
    August 28th, 2016, 19:33 Go to last post
  23. Vector in 3d with given by magnitude and angle

    Started by Cbarker1, August 28th, 2016 08:34
    angle, axis, component, magnitude, vector
    • Replies: 1
    • Views: 199
    August 28th, 2016, 14:58 Go to last post
  24. Show that angle AXC=angle ACB; geometric construction

    Started by mathlearn, August 24th, 2016 11:08
    2 Pages
    1 2
    • Replies: 10
    • Views: 514
    August 25th, 2016, 08:12 Go to last post
  25. Construct vertex D of an acute angled triangle

    Started by mathlearn, August 17th, 2016 07:31
    begin, click, closer, find, ideas
    • Replies: 6
    • Views: 393
    August 20th, 2016, 10:21 Go to last post
  26. Determine how many times are of PQR in terms of XYZ

    Started by mathlearn, August 17th, 2016 02:21
    area, pqr, terms, triangle, xyz
    • Replies: 5
    • Views: 319
    August 19th, 2016, 06:02 Go to last post
  27. [SOLVED] Find the radius of the sector adjoining a triangle

    Started by mathlearn, August 17th, 2016 22:06
    $frac40360$$frac227$$r$, area, begin, ideas, sector
    • Replies: 4
    • Views: 308
    August 18th, 2016, 23:21 Go to last post

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