Respuesta :

kawaiishadowwol

Answer:

12

Step-by-step explanation:

Pythagorean Theorem states that

a² + b² = c²

plug in your terms

9² + b² = 15²

81 + b² = 225

then subtract 81 from 225 to get your b²

b² = 144

then find the square root of 144

the square root is 12 because 12 x 12 = 144

jbag420

Answer:

12

Step-by-step explanation:

15 squared minus 9 squared = b

225-81=144

144 square rooted is 12

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