Wzór na Pitagorasa
[tex] {a}^{2} + {b}^{2} = {c}^{2} [/tex]
a= 6
b= x
c= 7
[tex] {6}^{2} + {x}^{2} = {7}^{2} [/tex]
[tex]36 + {x}^{2} = 49[/tex]
[tex]36 + {x}^{2} = 49 | - 36[/tex]
[tex] {x}^{2} = 13 | \sqrt{} [/tex]
[tex]x = \sqrt{13} [/tex]
Pozdrawiam.
