I need to know what’s the the length

Mathematics

1 answer:

Monica [59]3 years ago

8 0

Answer:

b=4

Step-by-step explanation:

P.T.c^2=a^2 +b^2

5^2=3^2 +b^2

25=9+b^2

b^2 =25-9

b^2 =16

b=sqrt(16)

b=4

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