Respuesta :

zibahkeshiro

Answer:

X≈8

Step-by-step explanation:

Hyp=9

Opp=X

Adj=4

HYP²=OPP²+ADJ²

9²=X²+4²

81=X²+16

81-16=X²

65=X²

X=√65

X=8.1

X≈8

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