Geometrie

Moderators: Laurian Filip, Filip Chindea, maky, Cosmin Pohoata, Virgil Nicula

New Topic

115 topics

Announcements

Replies

Views

Last post

Regulament

Last post by Filip Chindea « Wed Mar 26, 2008 11:18 pm

by Filip Chindea » Wed Mar 26, 2008 11:18 pm

0 Replies

629 Views

Last post by Filip Chindea
Wed Mar 26, 2008 11:18 pm

Topics

Replies

Views

Last post

Inegalitate de unghiuri

Last post by Filip Chindea « Sun Jul 13, 2008 8:28 pm

by Filip Chindea » Sun Jul 13, 2008 8:28 pm

0 Replies

569 Views

Last post by Filip Chindea
Sun Jul 13, 2008 8:28 pm
Patrulater si suma ariilor

Last post by Filip Chindea « Sun Jul 13, 2008 8:24 pm

by Filip Chindea » Sun Jul 13, 2008 8:24 pm

0 Replies

654 Views

Last post by Filip Chindea
Sun Jul 13, 2008 8:24 pm
Triunghi si arie constanta

Last post by Filip Chindea « Sun Jul 13, 2008 8:19 pm

by Filip Chindea » Sun Jul 13, 2008 8:19 pm

0 Replies

553 Views

Last post by Filip Chindea
Sun Jul 13, 2008 8:19 pm
Bisectoare si patrulater inscriptibil

Last post by Filip Chindea « Sun Jul 13, 2008 8:16 pm

by Filip Chindea » Sun Jul 13, 2008 8:16 pm

0 Replies

590 Views

Last post by Filip Chindea
Sun Jul 13, 2008 8:16 pm
Trapez si unghiuri congruente

Last post by Filip Chindea « Sun Jul 13, 2008 8:13 pm

by Filip Chindea » Sun Jul 13, 2008 8:13 pm

0 Replies

608 Views

Last post by Filip Chindea
Sun Jul 13, 2008 8:13 pm
Diferenta de unghiuri constanta

Last post by Filip Chindea « Sun Jul 13, 2008 8:11 pm

by Filip Chindea » Sun Jul 13, 2008 8:11 pm

0 Replies

558 Views

Last post by Filip Chindea
Sun Jul 13, 2008 8:11 pm
Cerc si arii egale

Last post by Filip Chindea « Sun Jul 13, 2008 8:07 pm

by Filip Chindea » Sun Jul 13, 2008 8:07 pm

0 Replies

585 Views

Last post by Filip Chindea
Sun Jul 13, 2008 8:07 pm
Tangente si unghi drept exterior

Last post by maky « Sat Jul 12, 2008 10:29 pm
Replies: 1
by Filip Chindea » Sat Jul 12, 2008 9:18 pm

1 Replies

984 Views

Last post by maky
Sat Jul 12, 2008 10:29 pm
Geometria triunghiului - coliniaritate

Last post by Filip Chindea « Sat Jul 12, 2008 9:50 pm

by Filip Chindea » Sat Jul 12, 2008 9:50 pm

0 Replies

746 Views

Last post by Filip Chindea
Sat Jul 12, 2008 9:50 pm
Patrulater

Last post by Marius Mainea « Thu Jul 10, 2008 8:40 pm
Replies: 1
by Vlad Matei » Tue Jan 22, 2008 7:00 pm

1 Replies

961 Views

Last post by Marius Mainea
Thu Jul 10, 2008 8:40 pm
O problema dintr-o culegere...

Last post by Cosmin Pohoata « Wed Jun 25, 2008 3:41 am
Replies: 1
by mihai miculita » Tue Jun 24, 2008 7:31 am

1 Replies

723 Views

Last post by Cosmin Pohoata
Wed Jun 25, 2008 3:41 am
Relatie cu arii intr-un pentagon convex

Last post by Filip Chindea « Thu Jun 19, 2008 7:41 pm
Replies: 3
by mihai++ » Wed Jun 18, 2008 1:08 pm

3 Replies

1045 Views

Last post by Filip Chindea
Thu Jun 19, 2008 7:41 pm
Perpendicularitate

Last post by Beniamin Bogosel « Wed Jun 18, 2008 6:16 pm

by Beniamin Bogosel » Wed Jun 18, 2008 6:16 pm

0 Replies

476 Views

Last post by Beniamin Bogosel
Wed Jun 18, 2008 6:16 pm
Descompunere in patrulatere concave

Last post by mihai++ « Wed Jun 18, 2008 1:10 pm
Replies: 1
by Beniamin Bogosel » Mon Jun 16, 2008 1:11 pm

1 Replies

658 Views

Last post by mihai++
Wed Jun 18, 2008 1:10 pm
Cercuri tangente la cercul inscris

Last post by Filip Chindea « Sat Jun 14, 2008 8:28 pm
Replies: 1
by Filip Chindea » Fri Jun 13, 2008 9:28 pm

1 Replies

821 Views

Last post by Filip Chindea
Sat Jun 14, 2008 8:28 pm
Proprietate a patrulaterului complet

Last post by Filip Chindea « Sat Jun 14, 2008 8:26 pm
Replies: 1
by Filip Chindea » Fri Jun 13, 2008 9:09 pm

1 Replies

1011 Views

Last post by Filip Chindea
Sat Jun 14, 2008 8:26 pm
Axe de simetrie

Last post by Beniamin Bogosel « Fri Jun 13, 2008 4:10 pm
Replies: 1
by Beniamin Bogosel » Wed May 21, 2008 6:02 pm

1 Replies

711 Views

Last post by Beniamin Bogosel
Fri Jun 13, 2008 4:10 pm
Sfere

Last post by Beniamin Bogosel « Fri Jun 13, 2008 4:02 pm

by Beniamin Bogosel » Fri Jun 13, 2008 4:02 pm

0 Replies

443 Views

Last post by Beniamin Bogosel
Fri Jun 13, 2008 4:02 pm
Distante in pentagon

Last post by Filip Chindea « Wed Jun 11, 2008 9:08 pm
Replies: 1
by Filip Chindea » Sat Jun 07, 2008 8:05 pm

1 Replies

840 Views

Last post by Filip Chindea
Wed Jun 11, 2008 9:08 pm
Alte doua probleme din Kvant nr. 5/2007

Last post by Marius Mainea « Mon Jun 09, 2008 9:49 pm
Replies: 2
by mihai miculita » Sun Jun 08, 2008 1:44 pm

2 Replies

789 Views

Last post by Marius Mainea
Mon Jun 09, 2008 9:49 pm
Concurenta non-standard

Last post by Cosmin Pohoata « Sun Jun 08, 2008 2:47 pm
Replies: 4
by Filip Chindea » Sat Jun 07, 2008 8:20 pm

4 Replies

1560 Views

Last post by Cosmin Pohoata
Sun Jun 08, 2008 2:47 pm
Angle chasing si cercuri tangente

Last post by mumble « Sun Jun 08, 2008 11:19 am
Replies: 3
by Filip Chindea » Sat Jun 07, 2008 8:15 pm

3 Replies

1261 Views

Last post by mumble
Sun Jun 08, 2008 11:19 am
Patrat unitate

Last post by Beniamin Bogosel « Sat Jun 07, 2008 2:01 pm

by Beniamin Bogosel » Sat Jun 07, 2008 2:01 pm

0 Replies

498 Views

Last post by Beniamin Bogosel
Sat Jun 07, 2008 2:01 pm
Problemele de g din Kvant nr.1 si 2/2008

Last post by Beniamin Bogosel « Sat Jun 07, 2008 1:38 pm
Replies: 1
by mihai miculita » Sat Jun 07, 2008 11:56 am

1 Replies

628 Views

Last post by Beniamin Bogosel
Sat Jun 07, 2008 1:38 pm
Bisectoare intr-un triunghi, inaltimi in altul

Last post by turcas « Mon Jun 02, 2008 7:14 pm
Replies: 3
by turcas » Mon Jun 02, 2008 7:05 pm

3 Replies

942 Views

Last post by turcas
Mon Jun 02, 2008 7:14 pm
Puncte simetrice fata de mijloc

Last post by Filip Chindea « Mon Jun 02, 2008 7:05 pm
Replies: 1
by Beniamin Bogosel » Mon Jun 02, 2008 5:29 pm

1 Replies

693 Views

Last post by Filip Chindea
Mon Jun 02, 2008 7:05 pm
Im(PA+PB+PC+PD), cu ABCD dreptunghi - Traian Lalescu pb 4

Last post by maky « Sun Jun 01, 2008 2:07 pm
Replies: 2
by maky » Sat May 31, 2008 8:21 pm

2 Replies

1583 Views

Last post by maky
Sun Jun 01, 2008 2:07 pm
IMO 2005 problema 1

Last post by Beniamin Bogosel « Mon May 26, 2008 1:12 pm
Replies: 1
by Beniamin Bogosel » Wed May 21, 2008 4:25 pm

1 Replies

629 Views

Last post by Beniamin Bogosel
Mon May 26, 2008 1:12 pm
Proiectii pe plane...

Last post by Beniamin Bogosel « Mon May 26, 2008 12:11 pm
Replies: 2
by Beniamin Bogosel » Sun May 25, 2008 10:39 pm

2 Replies

697 Views

Last post by Beniamin Bogosel
Mon May 26, 2008 12:11 pm
Baraj seniori 2007

Last post by Beniamin Bogosel « Sat May 24, 2008 10:35 pm
Replies: 2
by Beniamin Bogosel » Sat May 24, 2008 3:03 pm

2 Replies

630 Views

Last post by Beniamin Bogosel
Sat May 24, 2008 10:35 pm
Poligon cu 2n laturi

Last post by Beniamin Bogosel « Sat May 24, 2008 3:04 pm

by Beniamin Bogosel » Sat May 24, 2008 3:04 pm

0 Replies

431 Views

Last post by Beniamin Bogosel
Sat May 24, 2008 3:04 pm
Problema Bulgaria 1998

Last post by Beniamin Bogosel « Thu May 22, 2008 9:39 pm

by Beniamin Bogosel » Thu May 22, 2008 9:39 pm

0 Replies

419 Views

Last post by Beniamin Bogosel
Thu May 22, 2008 9:39 pm
O caracterizare alternativa a punctului Lemoine

Last post by Beniamin Bogosel « Thu May 22, 2008 5:52 pm
Replies: 1
by pohoatza » Fri Sep 28, 2007 6:27 pm

1 Replies

731 Views

Last post by Beniamin Bogosel
Thu May 22, 2008 5:52 pm
Tot axe de simetrie

Last post by Beniamin Bogosel « Wed May 21, 2008 6:05 pm

by Beniamin Bogosel » Wed May 21, 2008 6:05 pm

0 Replies

366 Views

Last post by Beniamin Bogosel
Wed May 21, 2008 6:05 pm
Poligon regulat si altul inscriptibil

Last post by Beniamin Bogosel « Wed May 21, 2008 5:31 pm

by Beniamin Bogosel » Wed May 21, 2008 5:31 pm

0 Replies

382 Views

Last post by Beniamin Bogosel
Wed May 21, 2008 5:31 pm
Poligon regulat

Last post by Beniamin Bogosel « Wed May 21, 2008 5:25 pm

by Beniamin Bogosel » Wed May 21, 2008 5:25 pm

0 Replies

375 Views

Last post by Beniamin Bogosel
Wed May 21, 2008 5:25 pm
Concurenta

Last post by DragosD « Wed May 21, 2008 11:07 am
Replies: 1
by Beniamin Bogosel » Mon May 19, 2008 9:52 pm

1 Replies

519 Views

Last post by DragosD
Wed May 21, 2008 11:07 am
Dreapta lui Euler paralela cu bisectoarea (probabil clasica)

Last post by Cosmin Pohoata « Tue May 20, 2008 1:11 am
Replies: 1
by Filip Chindea » Mon May 19, 2008 9:43 pm

1 Replies

652 Views

Last post by Cosmin Pohoata
Tue May 20, 2008 1:11 am
BMO 2008 Problema 1

Last post by mumble « Sun May 18, 2008 4:42 pm
Replies: 6
by Beniamin Bogosel » Wed May 07, 2008 7:57 pm

6 Replies

2091 Views

Last post by mumble
Sun May 18, 2008 4:42 pm
Patrulater circumscriptibil, PE=EQ - ol. poloneza

Last post by Filip Chindea « Thu May 15, 2008 10:31 pm
Replies: 1
by maky » Thu May 15, 2008 1:30 am

1 Replies

752 Views

Last post by Filip Chindea
Thu May 15, 2008 10:31 pm
Constructie pornind cu mijlocul unei tangente la cerc

Last post by maky « Thu May 15, 2008 1:42 am

by maky » Thu May 15, 2008 1:42 am

0 Replies

578 Views

Last post by maky
Thu May 15, 2008 1:42 am
Doua cercuri si patru puncte conciclice

Last post by Beniamin Bogosel « Wed May 14, 2008 9:18 pm
Replies: 3
by Vlad Matei » Tue Jan 22, 2008 7:07 pm

3 Replies

1111 Views

Last post by Beniamin Bogosel
Wed May 14, 2008 9:18 pm
Clasica - trei cercuri tangente

Last post by maky « Mon May 12, 2008 1:13 am
Replies: 1
by Filip Chindea » Sun May 11, 2008 9:44 pm

1 Replies

762 Views

Last post by maky
Mon May 12, 2008 1:13 am
Problema Fluturelui...

Last post by Beniamin Bogosel « Fri May 09, 2008 10:18 am
Replies: 3
by Beniamin Bogosel » Thu May 08, 2008 2:27 pm

3 Replies

754 Views

Last post by Beniamin Bogosel
Fri May 09, 2008 10:18 am
Alta varianta a problemei fluturelui... (Kvant)

Last post by Filip Chindea « Thu May 08, 2008 10:20 pm
Replies: 1
by Beniamin Bogosel » Thu May 08, 2008 2:49 pm

1 Replies

452 Views

Last post by Filip Chindea
Thu May 08, 2008 10:20 pm
Cercuri inscrise

Last post by Beniamin Bogosel « Thu May 08, 2008 4:47 pm
Replies: 1
by mihai++ » Mon Mar 31, 2008 2:00 pm

1 Replies

695 Views

Last post by Beniamin Bogosel
Thu May 08, 2008 4:47 pm
Geometrie China

Last post by maky « Thu May 08, 2008 4:14 pm
Replies: 1
by mumble » Thu Apr 17, 2008 3:43 pm

1 Replies

808 Views

Last post by maky
Thu May 08, 2008 4:14 pm
Romanian TST I 2008, Problema 3

Last post by Beniamin Bogosel « Fri May 02, 2008 12:06 pm
Replies: 1
by Laurian Filip » Fri May 02, 2008 11:52 am

1 Replies

699 Views

Last post by Beniamin Bogosel
Fri May 02, 2008 12:06 pm
Inegalitate geometrica (clasica)

Last post by Bogdan Cebere « Wed Apr 02, 2008 8:23 pm
Replies: 1
by Mihnea Andrei » Wed Apr 02, 2008 8:04 pm

1 Replies

543 Views

Last post by Bogdan Cebere
Wed Apr 02, 2008 8:23 pm
Problema 1256 din rev.“Mathematical Magazine”

Last post by mihai miculita « Wed Apr 02, 2008 7:32 pm
Replies: 4
by mihai miculita » Sat Mar 29, 2008 8:36 am

4 Replies

1159 Views

Last post by mihai miculita
Wed Apr 02, 2008 7:32 pm

New Topic

115 topics

Return to Board Index

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum