All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars    
perplexus dot info
Home > Shapes
Puzzles involving various geometric shapes, in a flat plane and in three-dimensional space.
Sub-Categories (All Problem Categories)
> Geometry
Given a reference triangle △ABC, a reflection triangle △A′B′C′ is generated by reflecting each vertex about the opposite side, for example A′ is generated by reflecting vertex A about side BC. Now, suppose the vertices A′, B′ and C′ are given, how can you find the original vertices of the original triangle △ABC?
(No Solution Yet, 5 Comments) Submitted on 2020-01-24 by Danish Ahmed Khan   
Page 1 of 32   next >>    
Difficulty: 3 of 5Maximal Rectangle |
Posted on 2019-12-30 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 4 of 5Heptagonal Triangle |
Posted on 2019-12-27 by Danish Ahmed Khan (No Solution Yet, 4 Comments)
Difficulty: 3 of 5Three Squares make a Triangle |
Posted on 2019-12-23 by Larry (No Solution Yet, 3 Comments)
Difficulty: 3 of 5Triangle rotation |
Posted on 2019-10-02 by Danish Ahmed Khan (No Solution Yet, 5 Comments)
Difficulty: 3 of 5Area of central locus |
Posted on 2019-09-19 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 3 of 5Locate the Locus |
Posted on 2019-09-18 by Danish Ahmed Khan (No Solution Yet, 2 Comments)
Difficulty: 3 of 5The Five Touching Spheres 2 |
Posted on 2019-09-15 by Brian Smith (Solution Posted, 4 Comments)
Difficulty: 4 of 5Spherical displacement of water | Rating: 5.00
Posted on 2019-09-13 by Danish Ahmed Khan (No Solution Yet, 9 Comments)
Difficulty: 3 of 5A matter of perspective |
Posted on 2019-09-11 by Danish Ahmed Khan (No Solution Yet, 1 Comments)
Difficulty: 4 of 5Inellipse |
Posted on 2019-09-07 by Danish Ahmed Khan (No Solution Yet, 3 Comments)
Difficulty: 3 of 5The Five Touching Spheres |
Posted on 2019-08-25 by Danish Ahmed Khan (No Solution Yet, 10 Comments)
Difficulty: 3 of 5The Post Problem |
Posted on 2019-08-17 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Difficulty: 2 of 5(7x7-1) = 2(5x5-1) | Rating: 5.00
Posted on 2019-06-25 by Jer (No Solution Yet, 3 Comments)
Difficulty: 5 of 5Zig Zag Nonagon |
Posted on 2019-06-09 by Danish Ahmed Khan (No Solution Yet, 0 Comments)
Please log in:
Login:
Password:
Remember me:
Sign up! | Forgot password


Search:
Search body:
Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (1)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:
Copyright © 2002 - 2020 by Animus Pactum Consulting. All rights reserved. Privacy Information