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Sagot :

fungusgi

Answer:

11.3 (√128)

Step-by-step explanation:

[tex] \\ {a}^{2} + {b}^{2} = {c}^{2} [/tex]

in this case a is given and c is given

a =side of the triangle

b= side of the triangle

c = hypotenuse or the longest side of the triangle

4^2 + b^2 = 12^2

16+ b^2 = 144

144 - 16 = b^2

128 = b^2

√128 = b

11.3137...= b = 11.3 (rounded to nearest tenth)

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