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Can someone help me pls

Can someone help me pls-example-1

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Answer:

Okay so for this one use the Pythagorean theorem

Explanation:

A^2 + 28^2 = 128^2

You are trying to find A.

So 28^2 is 784

128^2 is 16384

Now you will subtract 784 from both sides of the equation your new equation should be this: a^2 = 15600

Now you find the square root of both sides which gives you: A= 124.89 round it to 125

User Seyeon
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