Answer :

flinndm

Answer:

Possibly wrong but 13.66?

xXcOINXx1

Answer:

√8

Step-by-step explanation:

a^2 + b^2 = 4^2

a^2 + b^2 = 16

a^2 = b^2

a^2 = 8

a & b = √8

Brainilist Maybe?

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