Respuesta :

Answer:

4[tex]\sqrt{2}[/tex]

Step-by-step explanation:

use pythagoeron theorem

9^2-7^2=x^2

x^2=32

x=4[tex]\sqrt{2}[/tex]
7^2+x^2 = 9^2
49+x^2=81
x^2=81-49
x^2=32
x=square root of 32

Otras preguntas