Respuesta :

Replace a and c with their values;

b = sqrt(13^2 - 12^2)

b = sqrt(169 - 144)

b = sqrt(25)

b = 5

Answer: b = 5

Answer:

5

Step-by-step explanation:

b = sqrt( a^2 - b^2)

a = 13 and c = 12

b = sqrt( 12^2 - 12^2)

b = sqrt( 169 - 144)

   = sqrt( 25)

   = 5