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10-05-2021
Mathematics

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Find AB. Round to the nearest tenth if necessary.

Find AB Round to the nearest tenth if necessary class=

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Аноним Аноним

10-05-2021

Answer:

I think the right answer would be 7

Step-by-step explanation:

We got-ta use the equation: CA * BA = DA²

CA = 15 + BA

DA² = 8² = 64

=> (15 + BA) BA = 64

Subtract 15 from each side:

BA(BA) = 49

BA² = 49

Now take the square root of each side

BA = 7

Hope this helps!

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