Respuesta :

jmagill

Answer: 7.5

Step-by-step explanation:

use pythagorean theorem

13^2 + b^2 = 15^2

- 13^2

b^2 = 56 - square root

= 7.5

mirai123

Answer:

Consider:

[tex]hypotenuse = 15[/tex]

[tex]leg1=13[/tex]

[tex]leg2 = x[/tex]

[tex]a^2+13^2=15^2\\a^2+169=225\\a^2=56\\a=\sqrt{56} \\a=7.483[/tex]