Respuesta :

Answer:

6 meters

Step-by-step explanation:

because 15-9=6 meters

chessy0507

Answer:

12

Step-by-step explanation:

Using the Pythagorean theorem:

[tex]9^2+a^2=15^2[/tex] ->

[tex]81+a^2=225 \implies[/tex]

[tex]a^2=144\implies[/tex]

[tex]a=12[/tex]

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