ex 5...........,ghggv
![Ex 5ghggv class=](https://ro-static.z-dn.net/files/d6d/ec66bc0d41853dd1fec0c795bd296040.jpg)
Folosind teorema inaltimii:
[tex]x^{2}[/tex] = 100 x 64 = 6400
x = 80
[tex] {x }^{2} = 100 \times 64 = 6400 \: \: \: \: \: \: x = 80[/tex]