Respuesta :

shelbyorozco

Answer:

b

Step-by-step explanation:

A^2 + B^2 = C^2 - Right Triangle Formula

8^2 + 7^2 = 6^2 - Plug it into the formula

64 + 49 = 36 - Solve

64 = 85 - Add B and C

21 - your answer

Hopefully this helps.