[tex]\bold{Teorema \ lui \ Pitagora: \underline{c^2=a^2+b^2}} \\ c \to ipotenuza \\ a \to cateta \ 1 \\ b \to cateta \ 2 \\ a=15 \ cm \\ c=17 \ cm \\ 17^2=15^2+b^2 \\ 225+b^2=289 \\ b^2=289-225 \\ b^2=64 \ cm^2 \\ b=\sqrt{64} \ cm \\ \Rightarrow \boxed{\bold{b=8 \ cm}}[/tex]
