RE: [Pulze] Geometry

[Phan Anh Son <Phan@PGSM.HU>]

Nhat Quang Ton wrote:
>
>I have the following puzzle
>                                         a-----
>               a-----                    |     |
>               |     |                   |     |
>               |     |              -----       -----
>          -----       -----        |                 |
>         |                 |       |                 |
>         |                 |        ------      -----
>          -----       -----              |     |
>               |     |                   |     |
               |     |                    -----b
>                -----b  
>Chi dung hai nhat cat cho hai hinh chu thap tren va ghep lai thanh duoc 1
>hinh vuong

Solution:
Ca('t theo d`g che'o a-b. Ghe'p 4 ma?nh tha`nh hi`nh vuo^ng ca.nh ab


>2) Chia goc 19 do thanh 19 phan bang nhau chi dung thuoc va compa

Solution:
19x19 = 361 = 360* + 1* => nha^n go'c 19* tre^n vo`ng tro`n, so vo+'i
die^?m xua^'t pha't ca'ch 1*
=> du+.ng d.c go'c 1*

Son,


>