Respuesta :

gmany

Answer:

B. 7.3m

Step-by-step explanation:

Use the Pythagorean theorem:

[tex]leg^2+leg^2=hypotenuse^2[/tex]

We have

[tex]leg=2m,\ leg=7m,\ hypotenuse=r[/tex]

Substitute:

[tex]r^2=2^2+7^2\\\\r^2=4+49\\\\r^2=53\to r=\sqrt{53}\to r\approx7.3\ m[/tex]

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