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Tag: triangle

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  1. Equilateral triangle within a circumscribed circle

    Started by Yankel, January 19th, 2018 08:29
    • Replies: 5
    • Views: 88
    Last Post: January 19th, 2018 13:55
    by MarkFL  Go to last post

    Forum:
    Geometry

  2. Problem Of The Week # 295 - Jan 04, 2018

    Started by Ackbach, January 4th, 2018 17:07
    perpendicular, potw, problem, prove, triangle
    • Replies: 1
    • Views: 89
    Last Post: January 12th, 2018 14:39
    by Ackbach  Go to last post
    • Replies: 2
    • Views: 83
    Last Post: January 8th, 2018 17:19
    by lfdahl  Go to last post
  3. The area of a triangle and determinants

    Started by Yankel, December 30th, 2017 14:48
    • Replies: 1
    • Views: 64
    Last Post: December 30th, 2017 15:27
    by I like Serena  Go to last post

    Forum:
    Geometry

  4. [SOLVED] How can we parametrize the triangle?

    Started by mathmari, November 20th, 2017 05:19
    2 Pages
    1 2
    case, define, function, parametrize, triangle
    • Replies: 16
    • Views: 250
    Last Post: November 21st, 2017 08:40
    by I like Serena  Go to last post

    Forum:
    Calculus

  5. Distance between points in a triangle

    Started by Yankel, November 19th, 2017 06:42
    • Replies: 1
    • Views: 141
    Last Post: November 19th, 2017 07:30
    by kaliprasad  Go to last post

    Forum:
    Geometry

  6. Unique Area of Triangle Formula

    Started by RTCNTC, November 10th, 2017 19:47
    • Replies: 2
    • Views: 122
    Last Post: November 11th, 2017 10:59
    by RTCNTC  Go to last post

    Forum:
    Pre-Calculus

  7. Triangle ABC

    Started by RTCNTC, November 3rd, 2017 19:55
    abc, find, part, perimeter, triangle
    • Replies: 3
    • Views: 117
    Last Post: November 4th, 2017 17:08
    by RTCNTC  Go to last post

    Forum:
    Pre-Calculus

  8. Angles in a triangle

    Started by maxkor, October 27th, 2017 11:38
    $a+b+c=180^o$, $cos, angles, b=-cosa+c$, triangle
    • Replies: 1
    • Views: 290
    Last Post: October 28th, 2017 15:15
    by lfdahl  Go to last post

    Forum:
    Trigonometry

  9. Isosceles Triangle

    Started by RTCNTC, October 14th, 2017 19:11
    distance, formula, isosceles, side, triangle
    • Replies: 3
    • Views: 155
    Last Post: October 27th, 2017 21:03
    by RTCNTC  Go to last post

    Forum:
    Pre-Calculus

  10. Spaces in 3-dimensional

    Started by mathmari, October 17th, 2017 15:41
    2 Pages
    1 2
    • Replies: 10
    • Views: 231
    Last Post: October 18th, 2017 07:33
    by I like Serena  Go to last post

    Forum:
    Calculus

  11. Unsolved Challenge
    Evaluate ∠APR

    Started by anemone, October 14th, 2017 02:19
    $angle, apq=3angle, apr$, evaluate, triangle
    • Replies: 3
    • Views: 278
    Last Post: October 15th, 2017 04:16
    by Opalg  Go to last post
  12. [SOLVED] 12.4.9 - Area of a triangle given points in 3D space

    Started by karush, September 26th, 2017 18:22
    • Replies: 5
    • Views: 247
    Last Post: September 30th, 2017 12:36
    by karush  Go to last post

    Forum:
    Calculus

  13. Prove the existence of an equilateral triangle

    Started by lfdahl, September 7th, 2017 17:12
    $c$, equilateral, point, prove, triangle
    • Replies: 1
    • Views: 158
    Last Post: September 12th, 2017 15:03
    by lfdahl  Go to last post
  14. How short a leg can it be?

    Started by lfdahl, September 5th, 2017 15:56
    2001, leg, length, short, triangle
    • Replies: 2
    • Views: 209
    Last Post: September 6th, 2017 13:46
    by lfdahl  Go to last post
  15. Find Slope of the Line

    Started by RTCNTC, September 4th, 2017 10:39
    area, line, shaded, slope, triangle
    • Replies: 2
    • Views: 196
    Last Post: September 4th, 2017 21:33
    by RTCNTC  Go to last post

    Forum:
    Pre-Calculus

  16. Triangle ABC

    Started by RTCNTC, August 29th, 2017 03:31
    2 Pages
    1 2
    abc, find, perimeter, sides, triangle
    • Replies: 13
    • Views: 400
    Last Post: August 30th, 2017 14:44
    by RTCNTC  Go to last post

    Forum:
    Pre-Calculus

  17. angle in triangle

    Started by maxkor, July 27th, 2017 12:23
    2 Pages
    1 2
    30, angle, find, point, triangle
    • Replies: 13
    • Views: 593
    Last Post: July 28th, 2017 15:09
    by greg1313  Go to last post

    Forum:
    Geometry

  18. Why is this the condition of collinearity?

    Started by mathmari, July 12th, 2017 21:51
    • Replies: 6
    • Views: 351
    Last Post: July 14th, 2017 00:06
    by I like Serena  Go to last post
  19. Fermat's Last Theorem

    Started by Angel1, July 10th, 2017 11:10
    fermats, length, theorem, thought, triangle
    • Replies: 3
    • Views: 296
    Last Post: July 10th, 2017 11:37
    by MarkFL  Go to last post
  20. Problem of the week #266 Jun 7th, 2017

    Started by anemone, June 7th, 2017 09:48
    $px^2+qx^2+rx^2$, find, potw, triangle, values
    • Replies: 1
    • Views: 192
    Last Post: June 15th, 2017 11:43
    by anemone  Go to last post
  21. Converse of Pythagorean Theorem

    Started by RTCNTC, June 4th, 2017 19:55
    converse, points, pythagorean, theorem, triangle
    • Replies: 8
    • Views: 317
    Last Post: June 6th, 2017 01:55
    by RTCNTC  Go to last post

    Forum:
    Pre-Calculus

  22. Perimeter of Triangle ABC

    Started by RTCNTC, June 4th, 2017 20:06
    abc, part, perimeter, sides, triangle
    • Replies: 2
    • Views: 415
    Last Post: June 5th, 2017 09:20
    by RTCNTC  Go to last post

    Forum:
    Pre-Calculus

  23. Mass, Center of Mass, Triangle

    Started by Harpazo, May 12th, 2017 19:26
    3 Pages
    1 2 3
    center, find, mass, triangle, worked
    • Replies: 26
    • Views: 869
    Last Post: May 14th, 2017 00:11
    by Harpazo  Go to last post

    Forum:
    Calculus

  24. Triangle

    Started by Heatherirving, May 9th, 2017 17:34
    • Replies: 4
    • Views: 385
    Last Post: May 10th, 2017 10:34
    by Heatherirving  Go to last post

    Forum:
    Geometry

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