Answer:
9.8cm
Step-by-step explanation:
The pythagorean theorem states that, for right triangles, [tex]a^{2}+b^{2} =c^{2}[/tex]. Using this equation, we can solve for the hypotenuse.
a = 9cm
b = 4cm
c = hypotenuse
9^2 + 4^2 =c^2
81 + 16 = c^2
[tex]\sqrt{97} =c[/tex]
9.8 = c