Answer:
a=27.1
Step-by-step explanation:
We're given both b and c of the Pythagorean formula, hence we work backwards to find A:
[tex]a^2+b^2=c^2\\a^2+17^2+32^2\\a^2+289=1024\\a^2=735\\\sqrt{a^2} =\sqrt{735}\\\\a=27.1[/tex]