23-02-2021
Mathematics

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help please ill give brainlist

help please ill give brainlist class=

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tchakrouni tchakrouni

23-02-2021

Answer:

14.1509717

Step-by-step explanation:

c²-b² = a²

19.5²-6² = a²

a²-12²= x² = 200.25

square root 200.25

X = 14.1509717

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