ex 3 ...............
![Ex 3 class=](https://ro-static.z-dn.net/files/dfe/f98f9d39bebb4e6292c6e26e29dee90f.jpg)
Folosind teorema inaltimii:
[tex]x^{2}[/tex] = 100 x 64 = 6400
x = 80
c1 - prima catetă
c2 - a doua catetă
ip - ipotenuza
h - înălțime
ip = 164
c1² = 100 × 164
[tex]c1 = 20 \sqrt{41} [/tex]
c2²=64×164
[tex]c2 = 16 \sqrt{41} [/tex]
[tex]h = \frac{c1 \times c2}{ip} = \frac{20 \sqrt{41} \times 16 \sqrt{41} }{164} = \frac{20 \times 16 \times 14}{4 \times 41} = \frac{20 \times 16}{4} = 20 \times 4 = 80[/tex]