Hi, can someone plz help me with my question.

asked Mar 14, 2021 194k views

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Answer: y = 5 feet long.

Explanation:

To solve this, you can use the Pythagorean theorem:

$a^2 + b^2 = c^2\\a^2 + 12^2 = 13^2\\a^2 + 144 = 169\\a^2 = 25\\a = 5$

The side length y is equal to 5.

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