Respuesta :

Answer:

The hypotenuse is 14.2cm long.

Step-by-step explanation:

Use the Pythagorean Theorem here:

[tex]h^2=a^2+b^2\\h^2=11^2+9^2\\h^2=121+81\\h^2=202\\h= \sqrt{202}\\h=14.2[/tex]

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