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2 years ago

A

Mathematics

1 answer:

kondor19780726 [428]2 years ago

4 0

Answer: 18.2

Step-by-step explanation:

$14^{2}+b^{2}=23^{2}\\b^{2}=23^{2}-14^{2}\\b=\sqrt{23^{2}-14^{2}} \approx \boxed{18.2}$

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