Ответ:

\[a = 14,7;\ \ b = 25,4:\ \ \ \]
\[c = \sqrt{(14,7)^{2} + (25,4)^{2}} =\]
\[= \sqrt{216,09 + 645,16} =\]
\[= \sqrt{861,25} \approx 29,4.\]

\[a = 14,7;\ \ b = 25,4:\ \ \ \]
\[c = \sqrt{(14,7)^{2} + (25,4)^{2}} =\]
\[= \sqrt{216,09 + 645,16} =\]
\[= \sqrt{861,25} \approx 29,4.\]