לקנות טלביזיה במקום חלון

256x^2 + 81x^2 = 337x^2

337x^2=inch^2

            __________

 x = \/ inch^2 / 337 * 2.52

inch=32      

x=4.392

9x=39.534 cm

16x=70.283 cm

inch=40

x=5.490

9x=49.418 cm

16x=87.854 cm

inch=50

x=6.863

9x=61.772 cm

16x=109.818 cm

inch=12.5
x=1.715
9x=15.435
16x=27.44
-----------------------------------------------

16x^2+9x^2=25x^2
25x^2 = inch^2
           _________
x = \/ inch^2 / 25 * 2.52

inch=19
x=9.576
4x=38.304
3x=28.728